Dynamically connecting to different clusters

Hi,
Is there a way to dynamically connect to different clusters?
I have QA/Stage/Production cache clusters, and working on utility to manipulate any of those from an admin tool. For example, is it possible to dynamically attach to QA cluster, perform some operations, detach, then connect to the Stage cluster later? If so, then how to specify the configuration for the different clusters programmatically (e.g. the coherence override xml files)?
Thanks,
Harry

Hi,
I am having a similar problem. I want to connect to 2 different clusters, one running version 3.3.1, one running version 3.4, from the same jvm using extend. I can get the clusters to connect by using separate classloaders (the parent containing 3.3.1 and a child classloader that is overridden to look in its own classes before looking in the parent with the 3.4 classes loaded). My domain interfaces are loaded in the parent classloader so I can transport the objects around the rest of the app.
Unfortunately when I try and do anything more sophisticated than connecting (ie get, put, invoke) I get the following:
2009-02-13 08:33:54.922/2.781 Oracle Coherence GE 3.4/405 <Error> (thread=TestCache:TcpInitiator, member=n/a): An exception occurred while decoding a Message for Service=TestCache:TcpInitiator received from: TcpConnection(Id=null, Open=true, LocalAddress=147.114.128.215:1884, RemoteAddress=147.114.128.215:9300): java.io.IOException: Class initialization failed: java.lang.ClassCastException: com.tangosol.util.UUID cannot be cast to com.tangosol.io.ExternalizableLite
     at com.tangosol.util.ExternalizableHelper.readExternalizableLite(ExternalizableHelper.java:1936)
     at com.tangosol.util.ExternalizableHelper.readObjectInternal(ExternalizableHelper.java:2259)
     at com.tangosol.util.ExternalizableHelper.readObject(ExternalizableHelper.java:2209)
     at com.tangosol.io.DefaultSerializer.deserialize(DefaultSerializer.java:60)
     at com.tangosol.coherence.component.net.extend.Channel.deserialize(Channel.CDB:15)
     at com.tangosol.io.pof.PofBufferReader.readAsObject(PofBufferReader.java:3284)
     at com.tangosol.io.pof.PofBufferReader.readAsObjectArray(PofBufferReader.java:3328)
     at com.tangosol.io.pof.PofBufferReader.readAsObject(PofBufferReader.java:2911)
     at com.tangosol.io.pof.PofBufferReader.readObject(PofBufferReader.java:2599)
     at com.tangosol.coherence.component.net.extend.message.Response.readExternal(Response.CDB:20)
     at com.tangosol.coherence.component.net.extend.Codec.decode(Codec.CDB:29)
     at com.tangosol.coherence.component.util.daemon.queueProcessor.service.Peer.decodeMessage(Peer.CDB:25)
     at com.tangosol.coherence.component.util.daemon.queueProcessor.service.Peer.onNotify(Peer.CDB:47)
     at com.tangosol.coherence.component.util.Daemon.run(Daemon.CDB:37)
     at java.lang.Thread.run(Thread.java:619)
What am I missing - is this even possible ?
Thanks

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Dynamic Connection to different servers are not working

Hi All,
I am trying to create a SSIS Package that loops through a table containing the server names and fetching results from all the servers.
Created two variables
--list is an object
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Hi,
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I am trying to connect to multiple clusters by creating separate WAR(web archive) files through Apache tomcat.
My intention is to have each 'war' act as a node to a separate cluster. I started with the 'jmx-console' example available on the Tangosol website.
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Hi sumax,
Thanks for your response Robert,
Maybe I did not understand your solution fully, I
thought your idea mostly talks about how to configure
the override files, and not how to configure the
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That part is taken care of by the fact, that each war file loads the tangosol-coherence-override.xml from its own WEB-INF/classes directory.
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I hope this makes it clear.
Best regards,
Robert

Is it possible to connect to two different clusters?

Hi,
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What I would like to do is to able to get some cache on the first cluster and others on a second cluster. The cache-config DTD doesn't seem to forbid the definitions of several remote-cache-scheme. So I should be able to map all "c1-*" caches to the first cluster and all "c1-*" caches to a second cluster...
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Thanks,
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====================================================================
<?xml version="1.0"?>
<!DOCTYPE cache-config SYSTEM "cache-config.dtd">
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<scheme-name>extend-1</scheme-name>
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<scheme-name>extend-2</scheme-name>
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<caching-schemes>
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<back-scheme>
<remote-cache-scheme>
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<invalidation-strategy>auto</invalidation-strategy>
</near-scheme>
<near-scheme>
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<back-scheme>
<remote-cache-scheme>
<scheme-ref>extend-2</scheme-ref>
</remote-cache-scheme>
</back-scheme>
<invalidation-strategy>auto</invalidation-strategy>
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<remote-cache-scheme>
<scheme-name>extend-dist</scheme-name>
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<initiator-config>
<tcp-initiator>
<remote-addresses>
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</socket-address>
</remote-addresses>
<connect-timeout>10s</connect-timeout>
</tcp-initiator>
<outgoing-message-handler>
<request-timeout>5s</request-timeout>
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<serializer>
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<remote-cache-scheme>
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<service-name>ExtendTcpCacheService</service-name>
<initiator-config>
<tcp-initiator>
<remote-addresses>
<socket-address>
<address system-property="tangosol.coherence.proxy.address">ldnpsm020001412</address>
<port system-property="tangosol.coherence.proxy.port">4131</port>
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<connect-timeout>10s</connect-timeout>
</tcp-initiator>
<outgoing-message-handler>
<request-timeout>5s</request-timeout>
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<serializer>
<class-name>com.tangosol.io.pof.ConfigurablePofContext</class-name>
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</remote-cache-scheme>
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========================================================================
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Thanks,
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Thanks Timo,
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Thanks,
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Dynamic Connection Pool Creation Failing in a cluster

Hi,
I am trying to create a connection pool in a clustered environment. This connection
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like the connection pool might have been created by a bean on a different weblogic
VM instance. Is there any way to dynamically create a connection pool and make
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Mar 28, 2002 5:35:08 PM MST> <Info> <JDBC> <Checking existence of connection pool
Content
ConnectionPool requested by user guest>
<Mar 28, 2002 5:35:08 PM MST> <Info> <JDBC> <Creating connection pool ContentConnectionPoo
l requested by user guest>
weblogic.common.ResourceException: weblogic.management.MBeanCreationException:
Start server side stack trace:
javax.management.InstanceAlreadyExistsException: domain:Name=ContentConnectionPool,Type=JD
BCConnectionPool
at com.sun.management.jmx.RepositorySupport.addMBean(RepositorySupport.java:134)
at com.sun.management.jmx.MBeanServerImpl.internal_addObject(MBeanServerImpl.java:
2352)
at com.sun.management.jmx.MBeanServerImpl.registerMBean(MBeanServerImpl.java:874)
at weblogic.management.internal.RemoteMBeanServerImpl.registerMBean(RemoteMBeanSer
verImpl.java:181)
at weblogic.management.internal.Helper.createMBean(Helper.java:376)
at weblogic.management.internal.Helper.createAdminMBean(Helper.java:291)
at weblogic.management.internal.RemoteMBeanServerImpl.createAdminMBean(RemoteMBean
ServerImpl.java:278)
at weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.java:
635)
at weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.java:
621)
at weblogic.management.internal.AdminMBeanHomeImpl.createAdminMBean(AdminMBeanHome
Impl.java:397)
at weblogic.management.internal.AdminMBeanHomeImpl_WLSkel.invoke(Unknown
Source)
at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267)
at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java:22)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
--------------- nested within: ------------------
weblogic.management.MBeanCreationException: - with nested exception:
[javax.management.InstanceAlreadyExistsException: domain:Name=ContentConnectionPool,Type=J
DBCConnectionPool]
at weblogic.management.internal.Helper.createMBean(Helper.java:383)
at weblogic.management.internal.Helper.createAdminMBean(Helper.java:291)
at weblogic.management.internal.RemoteMBeanServerImpl.createAdminMBean(RemoteMBean
ServerImpl.java:278)
at weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.java:
635)
at weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.java:
621)
at weblogic.management.internal.AdminMBeanHomeImpl.createAdminMBean(AdminMBeanHome
Impl.java:397)
at weblogic.management.internal.AdminMBeanHomeImpl_WLSkel.invoke(Unknown
Source)
at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267)
at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java:22)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
End server side stack trace
- with nested exception:
[javax.management.InstanceAlreadyExistsException: domain:Name=ContentConnectionPool,Type=J
DBCConnectionPool
Start server side stack trace:
javax.management.InstanceAlreadyExistsException: domain:Name=ContentConnectionPool,Type=JD
BCConnectionPool
        at com.sun.management.jmx.RepositorySupport.addMBean(RepositorySupport.java:134)
        at com.sun.management.jmx.MBeanServerImpl.internal_addObject(MBeanServerImpl.java:
2352)
        at com.sun.management.jmx.MBeanServerImpl.registerMBean(MBeanServerImpl.java:874)
        at weblogic.management.internal.RemoteMBeanServerImpl.registerMBean(RemoteMBeanSer
verImpl.java:181)
        at weblogic.management.internal.Helper.createMBean(Helper.java:376)
        at weblogic.management.internal.Helper.createAdminMBean(Helper.java:291)
        at weblogic.management.internal.RemoteMBeanServerImpl.createAdminMBean(RemoteMBean
ServerImpl.java:278)
        at weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.java:
635)
        at weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.java:
621)
        at weblogic.management.internal.AdminMBeanHomeImpl.createAdminMBean(AdminMBeanHome
Impl.java:397)
        at weblogic.management.internal.AdminMBeanHomeImpl_WLSkel.invoke(Unknown
Source)
        at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
        at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267)
        at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java:22)
        at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
End server side stack trace
at weblogic.jdbc.common.internal.ConnectionPool.dynaStartup(ConnectionPool.java:47
2)
at weblogic.jdbc.common.internal.ConnectionPool.createPool(ConnectionPool.java:727
at weblogic.jdbc.common.internal.ConnectionPool.createPool(ConnectionPool.java:709
at com.thc.ids.inf.framework.opf.rdbms.datastore.ConnectionPoolCreator.createConne
ctionPool(ConnectionPoolCreator.java:82)
at com.thc.ids.inf.framework.opf.datastore.DataStoreRepository.createConnectionPoo
lIfNonExistent(DataStoreRepository.java:211)
at com.thc.ids.inf.util.persistence.content.ConnectionPoolInitializer.createConnec
tionPoolIfNeeded(ConnectionPoolInitializer.java:48)
at com.thc.ids.inf.services.business.crs.spi.oracle.OracleRetrievalProvider.create
ConnectionPoolIfNeeded(Unknown Source)
at com.thc.ids.inf.services.business.crs.spi.oracle.OracleRetrievalProvider.getIma
ge(Unknown Source)
at com.thc.ids.inf.services.business.crs.ContentRetrievalService.getImage(Unknown
Source)
at java.lang.reflect.Method.invoke(Native Method)
at com.thc.ids.inf.util.reflection.MethodDescription.invokeMethod(MethodDescriptio
n.java:181)
at com.thc.ids.inf.util.reflection.MethodInvocation.invoke(MethodInvocation.java:7
9)
at com.thc.ids.inf.framework.service.J2EE.ejb.ServiceBean.invoke(ServiceBean.java:
186)
at com.thc.ids.inf.framework.service.J2EE.ejb.ServiceBean_bjedmi_EOImpl.invoke(Ser
viceBean_bjedmi_EOImpl.java:37)
at com.thc.ids.inf.framework.service.J2EE.ejb.ServiceBean_bjedmi_EOImpl_WLSkel.inv
oke(Unknown Source)
at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at weblogic.rmi.cluster.ReplicaAwareServerRef.invoke(ReplicaAwareServerRef.java:93
at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267)
at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java:22)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
<Mar 28, 2002 5:35:08 PM MST> <Info> <JDBC> <Checking existence of connection
pool Content
ConnectionPool requested by user guest>
<Mar 28, 2002 5:35:08 PM MST> <Info> <JDBC> <Creating connection pool ContentConnectionPoo
l requested by user guest>
weblogic.common.ResourceException: weblogic.management.MBeanCreationException:
Start server side stack trace:
javax.management.InstanceAlreadyExistsException: domain:Name=ContentConnectionPool,Type=JD
BCConnectionPool
at com.sun.management.jmx.RepositorySupport.addMBean(RepositorySupport.java:134)
at com.sun.management.jmx.MBeanServerImpl.internal_addObject(MBeanServerImpl.java:
2352)
at com.sun.management.jmx.MBeanServerImpl.registerMBean(MBeanServerImpl.java:874)
at weblogic.management.internal.RemoteMBeanServerImpl.registerMBean(RemoteMBeanSer
verImpl.java:181)
at weblogic.management.internal.Helper.createMBean(Helper.java:376)
at weblogic.management.internal.Helper.createAdminMBean(Helper.java:291)
at weblogic.management.internal.RemoteMBeanServerImpl.createAdminMBean(RemoteMBean
ServerImpl.java:278)
at weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.java:
635)
at weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.java:
621)
at weblogic.management.internal.AdminMBeanHomeImpl.createAdminMBean(AdminMBeanHome
Impl.java:397)
at weblogic.management.internal.AdminMBeanHomeImpl_WLSkel.invoke(Unknown
Source)
at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267)
at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java:22)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
--------------- nested within: ------------------
weblogic.management.MBeanCreationException: - with nested exception:
[javax.management.InstanceAlreadyExistsException: domain:Name=ContentConnectionPool,Type=J
DBCConnectionPool]
at weblogic.management.internal.Helper.createMBean(Helper.java:383)
at weblogic.management.internal.Helper.createAdminMBean(Helper.java:291)
at weblogic.management.internal.RemoteMBeanServerImpl.createAdminMBean(RemoteMBean
ServerImpl.java:278)
at weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.java:
635)
at weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.java:
621)
at weblogic.management.internal.AdminMBeanHomeImpl.createAdminMBean(AdminMBeanHome
Impl.java:397)
at weblogic.management.internal.AdminMBeanHomeImpl_WLSkel.invoke(Unknown
Source)
at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267)
at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java:22)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
End server side stack trace
- with nested exception:
[javax.management.InstanceAlreadyExistsException: domain:Name=ContentConnectionPool,Type=J
DBCConnectionPool
Start server side stack trace:
javax.management.InstanceAlreadyExistsException: domain:Name=ContentConnectionPool,Type=JD
BCConnectionPool
        at com.sun.management.jmx.RepositorySupport.addMBean(RepositorySupport.java:134)
        at com.sun.management.jmx.MBeanServerImpl.internal_addObject(MBeanServerImpl.java:
2352)
        at com.sun.management.jmx.MBeanServerImpl.registerMBean(MBeanServerImpl.java:874)
        at weblogic.management.internal.RemoteMBeanServerImpl.registerMBean(RemoteMBeanSer
verImpl.java:181)
        at weblogic.management.internal.Helper.createMBean(Helper.java:376)
        at weblogic.management.internal.Helper.createAdminMBean(Helper.java:291)
        at weblogic.management.internal.RemoteMBeanServerImpl.createAdminMBean(RemoteMBean
ServerImpl.java:278)
        at weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.java:
635)
        at weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.java:
621)
        at weblogic.management.internal.AdminMBeanHomeImpl.createAdminMBean(AdminMBeanHome
Impl.java:397)
        at weblogic.management.internal.AdminMBeanHomeImpl_WLSkel.invoke(Unknown
Source)
        at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
        at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267)
        at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java:22)
        at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
End server side stack trace
at weblogic.jdbc.common.internal.ConnectionPool.dynaStartup(ConnectionPool.java:47
2)
at weblogic.jdbc.common.internal.ConnectionPool.createPool(ConnectionPool.java:727
at weblogic.jdbc.common.internal.ConnectionPool.createPool(ConnectionPool.java:709
at com.thc.ids.inf.framework.opf.rdbms.datastore.ConnectionPoolCreator.createConne
ctionPool(ConnectionPoolCreator.java:82)
at com.thc.ids.inf.framework.opf.datastore.DataStoreRepository.createConnectionPoo
lIfNonExistent(DataStoreRepository.java:211)
at com.thc.ids.inf.util.persistence.content.ConnectionPoolInitializer.createConnec
tionPoolIfNeeded(ConnectionPoolInitializer.java:48)
at com.thc.ids.inf.services.business.crs.spi.oracle.OracleRetrievalProvider.create
ConnectionPoolIfNeeded(Unknown Source)
at com.thc.ids.inf.services.business.crs.spi.oracle.OracleRetrievalProvider.getIma
ge(Unknown Source)
at com.thc.ids.inf.services.business.crs.ContentRetrievalService.getImage(Unknown
Source)
at java.lang.reflect.Method.invoke(Native Method)
at com.thc.ids.inf.util.reflection.MethodDescription.invokeMethod(MethodDescriptio
n.java:181)
at com.thc.ids.inf.util.reflection.MethodInvocation.invoke(MethodInvocation.java:7
9)
at com.thc.ids.inf.framework.service.J2EE.ejb.ServiceBean.invoke(ServiceBean.java:
186)
at com.thc.ids.inf.framework.service.J2EE.ejb.ServiceBean_bjedmi_EOImpl.invoke(Ser
viceBean_bjedmi_EOImpl.java:37)
at com.thc.ids.inf.framework.service.J2EE.ejb.ServiceBean_bjedmi_EOImpl_WLSkel.inv
oke(Unknown Source)
at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at weblogic.rmi.cluster.ReplicaAwareServerRef.invoke(ReplicaAwareServerRef.java:93
at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267)
at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java:22)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)

The only way to do it is using MBeans. You could search this newsgroup
for "JDBCConnectionPoolMBean" to get an idea of how it could be done.
Slava
P.S. http://search.bea.com/weblogic/gonews
"Mark Mortensen" <[email protected]> wrote in message
news:[email protected]...
>
Slava,
I am working with Mike on this issue and wanted to add some moreclarifications.
We have a two server cluster where one of the EJB's on one of the Managedservers
creates the connection pool. The problem comes in when a request comes tothe
second server in the cluster. The connection pool is created by the firstserver
but it is only assigned to the first server in the targets section on theconsole.
It isn't assigned to the cluster. Is there a way to programmaticallyassign the
pool to the cluster instead of just the server that created the pool?
-Mark
"Michael Dolear" <[email protected]> wrote:
Hi Slava,
Here is what I am doing. The code is spread across a couple of classes.
I am using
what was described in BEA's doc on dynamic connection pool creation.
I didn't
see anything about MBean apis required:
* Dynamically create a connection pool using
aConnectionPoolProperties.
Please
see ConnectionPoolCreator
* for the required properties that must be sent in.
* @param aConnectionPoolProperties
public synchronized void createConnectionPoolIfNonExistent(Properties
aConnectionPoolProperties)
throwsPersistenceFrameworkInitializationException
ConnectionPoolCreator tempPoolCreator;
Pool tempPool;
tempPoolCreator = new ConnectionPoolCreator();
tempPool =tempPoolCreator.getConnectionPool(aConnectionPoolProperties);
if (tempPool == null)
tempPoolCreator.createConnectionPool(aConnectionPoolProperties);
>>
* Create Connection pool given the properties that I have beenconfigured
with
* @return Pool
public Pool createConnectionPool(Properties aConnectionProperties)
throwsPersistenceFrameworkInitializationException
JdbcServices tempServices;
try
tempServices = this.lookupJdbcServices();
tempServices.createPool(aConnectionProperties);
returntempServices.getPool(aConnectionProperties.getProperty(CONNECTION_POOL_NAME)
catch (Exception e)
PersistenceFrameworkUtils.logException(e);
throw newPersistenceFrameworkInitializationException(e.getMessage());
* Answer a connectionPool or null.
* @return Pool
public Pool getConnectionPool(Properties aConnectionProperties)
throwsPersistenceFrameworkInitializationException
JdbcServices tempServices;
try
tempServices = this.lookupJdbcServices();
if (tempServices.poolExists(
aConnectionProperties.getProperty(CONNECTION_POOL_NAME)))
return tempServices.getPool(
aConnectionProperties.getProperty(CONNECTION_POOL_NAME));
else
return null;
catch (Exception e)
PersistenceFrameworkUtils.logException(e);
throw
newPersistenceFrameworkInitializationException(e.getMessage());
"Slava Imeshev" <[email protected]> wrote:
Hi Michael,
Could you show us the code? Without looking at the code
I can only say that JdbcServices.poolExists(someName)
returns true only in case the pool is up and running.
If the connection pool MBean was created but not assigned
a target, subsequent tries to create it would fail.
Regards,
Slava Imeshev
"Michael Dolbear" <[email protected]> wrote in message
news:[email protected]...
Hi,
I am trying to create a connection pool in a clustered environment.This
connection
pool is created lazily behind a Stateless Session Bean. We first
attempt
to determine
whether, the connection pool exists usingJdbcServices.poolExists(someName), and
create it if it does not exist. A failure occurs on creation becauseit
looks
like the connection pool might have been created by a bean on a
different
weblogic
VM instance. Is there any way to dynamically create a connection pooland
make
it visible to the whole cluster? Thanks in advance for any help.
Michael
Dolbear
Mar 28, 2002 5:35:08 PM MST> <Info> <JDBC> <Checking existence ofconnection pool
Content
ConnectionPool requested by user guest>
<Mar 28, 2002 5:35:08 PM MST> <Info> <JDBC> <Creating connection poolContentConnectionPoo
l requested by user guest>
weblogic.common.ResourceException:weblogic.management.MBeanCreationException:
Start server side stack trace:
javax.management.InstanceAlreadyExistsException:domain:Name=ContentConnectionPool,Type=JD
BCConnectionPool
at
com.sun.management.jmx.RepositorySupport.addMBean(RepositorySupport.java:1
34
at
com.sun.management.jmx.MBeanServerImpl.internal_addObject(MBeanServerImpl.
ja
va:
2352)
at
com.sun.management.jmx.MBeanServerImpl.registerMBean(MBeanServerImpl.java:
87
4)
at
weblogic.management.internal.RemoteMBeanServerImpl.registerMBean(RemoteMBe
an
Ser
verImpl.java:181)
atweblogic.management.internal.Helper.createMBean(Helper.java:376)
atweblogic.management.internal.Helper.createAdminMBean(Helper.java:291)
at
weblogic.management.internal.RemoteMBeanServerImpl.createAdminMBean(Remote
MB
ean
ServerImpl.java:278)
at
weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.
ja
va:
635)
at
weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.
ja
va:
621)
at
weblogic.management.internal.AdminMBeanHomeImpl.createAdminMBean(AdminMBea
nH
ome
Impl.java:397)
atweblogic.management.internal.AdminMBeanHomeImpl_WLSkel.invoke(Unknown
Source)
atweblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at
weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267
at
weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java
:2
2)
at
weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
--------------- nested within: ------------------
weblogic.management.MBeanCreationException: - with nested exception:
[javax.management.InstanceAlreadyExistsException:domain:Name=ContentConnectionPool,Type=J
DBCConnectionPool]
atweblogic.management.internal.Helper.createMBean(Helper.java:383)
atweblogic.management.internal.Helper.createAdminMBean(Helper.java:291)
at
weblogic.management.internal.RemoteMBeanServerImpl.createAdminMBean(Remote
MB
ean
ServerImpl.java:278)
at
weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.
ja
va:
635)
at
weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.
ja
va:
621)
at
weblogic.management.internal.AdminMBeanHomeImpl.createAdminMBean(AdminMBea
nH
ome
Impl.java:397)
atweblogic.management.internal.AdminMBeanHomeImpl_WLSkel.invoke(Unknown
Source)
atweblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at
weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267
at
weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java
:2
2)
at
weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
End server side stack trace
- with nested exception:
[javax.management.InstanceAlreadyExistsException:domain:Name=ContentConnectionPool,Type=J
DBCConnectionPool
Start server side stack trace:
javax.management.InstanceAlreadyExistsException:domain:Name=ContentConnectionPool,Type=JD
BCConnectionPool
at
com.sun.management.jmx.RepositorySupport.addMBean(RepositorySupport.java:1
34
at
com.sun.management.jmx.MBeanServerImpl.internal_addObject(MBeanServerImpl.
ja
va:
2352)
at
com.sun.management.jmx.MBeanServerImpl.registerMBean(MBeanServerImpl.java:
87
4)
at
weblogic.management.internal.RemoteMBeanServerImpl.registerMBean(RemoteMBe
an
Ser
verImpl.java:181)
atweblogic.management.internal.Helper.createMBean(Helper.java:376)
atweblogic.management.internal.Helper.createAdminMBean(Helper.java:291)
at
weblogic.management.internal.RemoteMBeanServerImpl.createAdminMBean(Remote
MB
ean
ServerImpl.java:278)
at
weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.
ja
va:
635)
at
weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.
ja
va:
621)
at
weblogic.management.internal.AdminMBeanHomeImpl.createAdminMBean(AdminMBea
nH
ome
Impl.java:397)
atweblogic.management.internal.AdminMBeanHomeImpl_WLSkel.invoke(Unknown
Source)
atweblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at
weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267
at
weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java
:2
2)
at
weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
End server side stack trace
at
weblogic.jdbc.common.internal.ConnectionPool.dynaStartup(ConnectionPool.ja
va
:47
2)
at
weblogic.jdbc.common.internal.ConnectionPool.createPool(ConnectionPool.jav
a:
727
at
weblogic.jdbc.common.internal.ConnectionPool.createPool(ConnectionPool.jav
a:
709
at
com.thc.ids.inf.framework.opf.rdbms.datastore.ConnectionPoolCreator.create
Co
nne
ctionPool(ConnectionPoolCreator.java:82)
at
com.thc.ids.inf.framework.opf.datastore.DataStoreRepository.createConnecti
on
Poo
lIfNonExistent(DataStoreRepository.java:211)
at
com.thc.ids.inf.util.persistence.content.ConnectionPoolInitializer.createC
on
nec
tionPoolIfNeeded(ConnectionPoolInitializer.java:48)
at
com.thc.ids.inf.services.business.crs.spi.oracle.OracleRetrievalProvider.c
re
ate
ConnectionPoolIfNeeded(Unknown Source)
at
com.thc.ids.inf.services.business.crs.spi.oracle.OracleRetrievalProvider.g
et
Ima
ge(Unknown Source)
at
com.thc.ids.inf.services.business.crs.ContentRetrievalService.getImage(Unk
no
wn
Source)
at java.lang.reflect.Method.invoke(Native Method)
at
com.thc.ids.inf.util.reflection.MethodDescription.invokeMethod(MethodDescr
ip
tio
n.java:181)
at
com.thc.ids.inf.util.reflection.MethodInvocation.invoke(MethodInvocation.j
av
a:7
9)
at
com.thc.ids.inf.framework.service.J2EE.ejb.ServiceBean.invoke(ServiceBean.
ja
va:
186)
at
com.thc.ids.inf.framework.service.J2EE.ejb.ServiceBean_bjedmi_EOImpl.invok
e(
Ser
viceBean_bjedmi_EOImpl.java:37)
at
com.thc.ids.inf.framework.service.J2EE.ejb.ServiceBean_bjedmi_EOImpl_WLSke
l.
inv
oke(Unknown Source)
atweblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at
weblogic.rmi.cluster.ReplicaAwareServerRef.invoke(ReplicaAwareServerRef.ja
va
:93
at
weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267
at
weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java
:2
2)
at
weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
<Mar 28, 2002 5:35:08 PM MST> <Info> <JDBC> <Checking existence ofconnection
pool Content
ConnectionPool requested by user guest>
<Mar 28, 2002 5:35:08 PM MST> <Info> <JDBC> <Creating connection poolContentConnectionPoo
l requested by user guest>
weblogic.common.ResourceException:weblogic.management.MBeanCreationException:
Start server side stack trace:
javax.management.InstanceAlreadyExistsException:domain:Name=ContentConnectionPool,Type=JD
BCConnectionPool
at
com.sun.management.jmx.RepositorySupport.addMBean(RepositorySupport.java:1
34
at
com.sun.management.jmx.MBeanServerImpl.internal_addObject(MBeanServerImpl.
ja
va:
2352)
at
com.sun.management.jmx.MBeanServerImpl.registerMBean(MBeanServerImpl.java:
87
4)
at
weblogic.management.internal.RemoteMBeanServerImpl.registerMBean(RemoteMBe
an
Ser
verImpl.java:181)
atweblogic.management.internal.Helper.createMBean(Helper.java:376)
atweblogic.management.internal.Helper.createAdminMBean(Helper.java:291)
at
weblogic.management.internal.RemoteMBeanServerImpl.createAdminMBean(Remote
MB
ean
ServerImpl.java:278)
at
weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.
ja
va:
635)
at
weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.
ja
va:
621)
at
weblogic.management.internal.AdminMBeanHomeImpl.createAdminMBean(AdminMBea
nH
ome
Impl.java:397)
atweblogic.management.internal.AdminMBeanHomeImpl_WLSkel.invoke(Unknown
Source)
atweblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at
weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267
at
weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java
:2
2)
at
weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
--------------- nested within: ------------------
weblogic.management.MBeanCreationException: - with nested exception:
[javax.management.InstanceAlreadyExistsException:domain:Name=ContentConnectionPool,Type=J
DBCConnectionPool]
atweblogic.management.internal.Helper.createMBean(Helper.java:383)
atweblogic.management.internal.Helper.createAdminMBean(Helper.java:291)
at
weblogic.management.internal.RemoteMBeanServerImpl.createAdminMBean(Remote
MB
ean
ServerImpl.java:278)
at
weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.
ja
va:
635)
at
weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.
ja
va:
621)
at
weblogic.management.internal.AdminMBeanHomeImpl.createAdminMBean(AdminMBea
nH
ome
Impl.java:397)
atweblogic.management.internal.AdminMBeanHomeImpl_WLSkel.invoke(Unknown
Source)
atweblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at
weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267
at
weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java
:2
2)
at
weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
End server side stack trace
- with nested exception:
[javax.management.InstanceAlreadyExistsException:domain:Name=ContentConnectionPool,Type=J
DBCConnectionPool
Start server side stack trace:
javax.management.InstanceAlreadyExistsException:domain:Name=ContentConnectionPool,Type=JD
BCConnectionPool
at
com.sun.management.jmx.RepositorySupport.addMBean(RepositorySupport.java:1
34
at
com.sun.management.jmx.MBeanServerImpl.internal_addObject(MBeanServerImpl.
ja
va:
2352)
at
com.sun.management.jmx.MBeanServerImpl.registerMBean(MBeanServerImpl.java:
87
4)
at
weblogic.management.internal.RemoteMBeanServerImpl.registerMBean(RemoteMBe
an
Ser
verImpl.java:181)
atweblogic.management.internal.Helper.createMBean(Helper.java:376)
atweblogic.management.internal.Helper.createAdminMBean(Helper.java:291)
at
weblogic.management.internal.RemoteMBeanServerImpl.createAdminMBean(Remote
MB
ean
ServerImpl.java:278)
at
weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.
ja
va:
635)
at
weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.
ja
va:
621)
at
weblogic.management.internal.AdminMBeanHomeImpl.createAdminMBean(AdminMBea
nH
ome
Impl.java:397)
atweblogic.management.internal.AdminMBeanHomeImpl_WLSkel.invoke(Unknown
Source)
atweblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at
weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267
at
weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java
:2
2)
at
weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
End server side stack trace
at
weblogic.jdbc.common.internal.ConnectionPool.dynaStartup(ConnectionPool.ja
va
:47
2)
at
weblogic.jdbc.common.internal.ConnectionPool.createPool(ConnectionPool.jav
a:
727
at
weblogic.jdbc.common.internal.ConnectionPool.createPool(ConnectionPool.jav
a:
709
at
com.thc.ids.inf.framework.opf.rdbms.datastore.ConnectionPoolCreator.create
Co
nne
ctionPool(ConnectionPoolCreator.java:82)
at
com.thc.ids.inf.framework.opf.datastore.DataStoreRepository.createConnecti
on
Poo
lIfNonExistent(DataStoreRepository.java:211)
at
com.thc.ids.inf.util.persistence.content.ConnectionPoolInitializer.createC
on
nec
tionPoolIfNeeded(ConnectionPoolInitializer.java:48)
at
com.thc.ids.inf.services.business.crs.spi.oracle.OracleRetrievalProvider.c
re
ate
ConnectionPoolIfNeeded(Unknown Source)
at
com.thc.ids.inf.services.business.crs.spi.oracle.OracleRetrievalProvider.g
et
Ima
ge(Unknown Source)
at
com.thc.ids.inf.services.business.crs.ContentRetrievalService.getImage(Unk
no
wn
Source)
at java.lang.reflect.Method.invoke(Native Method)
at
com.thc.ids.inf.util.reflection.MethodDescription.invokeMethod(MethodDescr
ip
tio
n.java:181)
at
com.thc.ids.inf.util.reflection.MethodInvocation.invoke(MethodInvocation.j
av
a:7
9)
at
com.thc.ids.inf.framework.service.J2EE.ejb.ServiceBean.invoke(ServiceBean.
ja
va:
186)
at
com.thc.ids.inf.framework.service.J2EE.ejb.ServiceBean_bjedmi_EOImpl.invok
e(
Ser
viceBean_bjedmi_EOImpl.java:37)
at
com.thc.ids.inf.framework.service.J2EE.ejb.ServiceBean_bjedmi_EOImpl_WLSke
l.
inv
oke(Unknown Source)
atweblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at
weblogic.rmi.cluster.ReplicaAwareServerRef.invoke(ReplicaAwareServerRef.ja
va
:93
at
weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267
at
weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java
:2
2)
at
weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)

Report model dynamic connection string

hi
I'm trying to build a report model,which has to connect to different database
For ex:
I've 10 different customers, and i need to connect the selected customer database,
Any thoughts how to proceed in this
Thanks
Chezhian

Hi Chezhian,
As per my understanding, I would try the two methods to achieve your requirement: create one report model which contains those databases or create 10 report model, the data source can connect to the corresponding model based on the user. In Reporting Services,
a report model can only map to a database. So the first method doesn’t work. If we want to connect to a report model, we should browse to a report server or SharePoint site and select a published model. We don’t need a connection string to use a report model
as a data source. So the second method still doesn’t work.
To work around the issue, I think we can create 10 report model, each report model corresponding each user’s database and named the user name. Then set Item-Level Permissions of each report model based on the user on report manager. Each user can only see
his own report model on the report server.
Or we can create a data source with dynamic connection string, the blog below is for your reference:
http://blogs.msdn.com/b/bimusings/archive/2006/07/20/673051.aspx
References:
Report Model Connection (SSRS)
Setting Item-Level Permissions on a Report Server
Hope this helps.
Thanks,
Katherine Xiong
Katherine Xiong
TechNet Community Support

Connecting to multiple clusters from the same client

We have a scenario where our cache client (extend client) should be able to connect to multiple clusters. All the clusters use the exact same configuration (same caches, same services etc) but running in different geographical locations. I know that the <remote-addresses> can be used to add multiple addresses but I'm assuming this is provided solely for fault tolerance. So, does the client actually support connecting to multiple clusters at the same time?
Thanks
Sijo Mathew

Hi Sijo,
Normally to connect a client to multiple clusters you would just define multiple <proxy-scheme> settings in your client configuration file, each one having a different name and pointing to a different cluster. You then map caches to the proxy-scheme for the cluster those caches live on.
What may confuse things in your case is that you say the different clusters are identical and contain the same caches and services so you may have problems mapping caches on the client to different clusters.
What are you trying to achieve by doing this if the clusters are all identical?
JK

Crystal Report Dynamic connection issue ORA-04043 Database Vendor Code 4043

HI All,
Ii am getting dynamic connection issue with Crystal Report 2008 and Business View Manager, i have Oracle database,
i have done following steps
1 Creating Dynamic Connection (including two connection XDC & YDC)
2. Creating Data Foundation (Common object available in both connection ie. stored procedure)
3. Creating Business View (with selected number of elements in business element, like firsta name, lastname)
I have verified database connectivity from Business view manager, both the connection are working fine bringing different number of rows from two different schemas (different schema but same objects in two schemas)
4. Database connectivity to different database schemas
5. Connectivity from Crystal Report (done the connectivity from the repository to business view )
6. Report Connectivity with first schema shows records
7 Report Connectivity with second schemas shows error
as follows Failed to retrive data from the database & on clicking of detail i get following error
Crystal Reports
Database Connector Error: 'ORA-04043: object HR.EXCEPTION_REPORT_SUB1_PROC [Database Vendor Code: 4043 ]'
Q first of all i need to know if dynamic connection using business view manager and crystal report technically possible or not, if yes then please let me know the solution, since we did verified with SQL database and ite work with two different database.
Q if not possible then are there any options to resolve dynamic deployment of crystal report over multiple schemas with crystal report 2008
Any help or suggestion will be appriciated, hope some one might have got similar issue
Thanks in advance
Edited by: smunir on Jul 12, 2011 9:18 AM
Edited by: smunir on Jul 12, 2011 9:41 AM
Edited by: smunir on Jul 12, 2011 9:43 AM

Hi,
When i use same credentials in Tod or sqlplus it works perfect and gives appropriate results. But when i use same credentials using business view manager, the very first connection works but the second connection does not work
Please suggest!
Regards,
<<smunir>>

How to use one dynamic connection managers for multiple parallel data flow tasks

hi there:
I have 6 databases residing on the same server. What I want to do is call a store procedure with identical name on each database dbo schema and transport results to a centralized place. The key is to have those SPs run in parallel instead
of in sequence as each SP may take around 10 mins to finish.
The simplest way is to create 6 OLE DB connection managers and create 6 DFT tasks. However, I do not want to maintain 6 OLE DB connection managers as there is a chance to have more connection managers.
What I did so far is to create a OLD DB connection manager and use expression to set up connectionString properties so that it will get populated by variables at run time. It is fine when running all SPs in a Foreach Loop Container. However, it takes
around 60 mins to finish.
When I try to run it in parallel ( basically created 6 DFTs but use only one Dynamic Connection Manager), the connection string gets confused therefore all DFT tasks failed.
Does anyone here have some experience on this topic?
Thanks
hui
--Currently using Reporting Service 2000; Visual Studio .NET 2003; Visual Source Safe SSIS 2008 SSAS 2008, SVN --

Yes, basically, on the connectionString property of ONE OLEDB, you are using an expression to supply value and this expression is pointing to a variable.
In this case , you can update this variable from a table which contains many connection strings. It's good if you want to execute Store procedures in a sequential order. When in parallel mode, this will cause issues as connectionString gets overwritten.
I am thinking about using script task to exec sp.
The whole idea is that I do not want to maintain a large number of Connection Managers.
Hope it helps
--Currently using Reporting Service 2000; Visual Studio .NET 2003; Visual Source Safe SSIS 2008 SSAS 2008, SVN --
So you are not able to run parallel executions using same conn mgmr, even with dynamic connectionstring, is that correct? Yes, script task will be a way to go if you wish to execute it in parallel, you may connect to SS and query the proper conn string with
SELECT/WHERE clause in each script > pass it to a script variable > use that script variable and execute the proc. This will require only two things to change in each script, the WHERE condition to get the conn string and the proc name (you may even
get the proc names the same way you get conn string) and everything else will be same. Let us know how that goes.
Hope no two or more procs doing insert/update/delete on the same tables.

Time Machine: Backup folder changing size when connected to different computers

Can someone please help me wrap my head around why the size of my Time Machine backup folder changes when connected to different computers? I tried to be as thorough as possible. Thanks in advance for taking the time to read this.
I made a backup of my one laptop (MacBook Pro running 10.6.8) before installing Mavericks. The backup folder size is 258.56 GB and it is on a 1TB WD external. There are no other computers backed up in this folder.
Last night, I tried to copy the backup folder to another 1TB WD external and ran into the “you can’t do that” message. After some researching, I came across articles explaining how Time Machine handles HDs and, in order for me to copy my backup folder, the drive I want to copy the folder to needs to have the “Ignore ownership on this volume” deselected.
Okay, so here is my situation: I have the “Ignore ownership on this volume” deselected and journaling is correct on the drive I want to copy the backup folder to. So I can continue working on my laptop, I want to use a different computer to copy the backup folder from one HD to the other. The problem I’m having is each computer I own is showing me a different backup folder size O.o.
(1) The computer I want to use – a Power Mac G5 Quad running 10.4.11 (non intel) – is showing a backup folder size of 592.7 MB, but the HD shows there is 258 GB being used. When I drag copy, I only get a 592.7 MB backup folder. For some reason, the backup folder is the only folder acting this way. I compared other folders from the same and different externals and all the sizes match up perfectly no matter the computer they were connected to. How is this possible?
(2) My second option - Mac Pro (early 2009) running 10.9.4 – is showing a 256.15 GB backup folder size. Very close, but not 258.56 GB.
(3) My last option is to use the computer I’m trying to stay away from, the MacBook Pro running 10.6.8. This is the computer I backed up and is showing me the correct folder size = 258.56GB. As I mentioned, I'd like to work on my laptop while copying the backup folder using one of my other computers.
I am able to drag and drop from each computer, but the folder size depends on the computer I’m using. I don’t understand why I can't do a simple drag and drop of a 258 GB folder.
Many thanks!!

The directory files that you are seeing are not real. They are links to the actual backup files that are stored in a hidden directory on the drive. If you were to look at the same drive on a pc, you would see the folders and you would a list files that are in the folders but the files would all be 0 byte files and Windows will tell you the file is empty because there is nothing there but a link which Windows does not understand.
So the point is you can't just copy the backupd files. The best solution that I know of (and maybe someone else will chime in) for copying them is to mirror the drive with something like Carbon Copy or some other program.
See this site for more information about time machine and how it works: http://pondini.org/OSX/Home.html

How to specifiy the provider to be Oracle.ManagedDataAccess.Client when creating a dynamic connection string with EF Code First from Database?

I am trying to use the relatively new Code First from Database with the newest EF (6.x) and on an Oracle database (11g, but I have installed the newest ODTwithODAC). First of all, it works fine as long as the connection string is inside the App.Config file. But when I try to build it dynamically in the C# code (or rather, statically at the moment) it fails. I have it working with a dynamically built connection string when doing Model from Database though, so I'm at a loss right now.
First, I have created a second constructor for the context class that takes a string and does base(connectionString). Then I build the connection string via
OracleConnectionStringBuilder oracleBuilder = new OracleConnectionStringBuilder();
oracleBuilder.DataSource = "TEST.BLA.COM";
oracleBuilder.UserID = "ABC";
oracleBuilder.Password = "abc";
oracleBuilder.PersistSecurityInfo = true;
string connection = oracleBuilder.ToStrin();
Now trying to open an EntityConnection by giving to it this provider-specific connection string (or even the static one from the App.Config) doesn't work; I get "keyword not supported: user id"). Trying it by creating a context and giving this connection string doesn't work either. I'm pretty sure that this is because I didn't specify the provider to use; after all, it should use the Oracle.ManagedDataAccess.Client provider and not an SQL Server based one.
I then tried to get around this by using an EntityConnectionStringBuilder on top and specifying the provider keyword there, but then I get "keyword not supported: provider" when using it in the context constructor, and "the 'metadata' keyword is always required" when using it with the EntityConnection constructor.
As I said above: I bet it's the provider that I have to specify somehow, but I don't know how. The code that does work is the following:
using (var context = new Model())
context.Database.Connection.Open();
context.Database.Connection.Close();
When I read context.Database.Connection.ConnectionString, it is exactly the provider-specific connection string I created above, but I don't know where to specify the provider again. Do you know of any way to do this? Certainly there must be one.
PS: I have also posted this question on http://stackoverflow.com/questions/27979454/ef-code-first-from-database-with-managed-oracle-data-access-dynamic-connection because it is quite urgent and I'd like to use Code First from Database. Otherwise I'd have to go "back" to using Model from Database again, which is not ideal because we have updatable views where the .edmx-file has to be edited after every reload of the model, while with Code First from DB inserting into the view automatically works.

I am trying to use the relatively new Code First from Database with the newest EF (6.x) and on an Oracle database (11g, but I have installed the newest ODTwithODAC). First of all, it works fine as long as the connection string is inside the App.Config file. But when I try to build it dynamically in the C# code (or rather, statically at the moment) it fails. I have it working with a dynamically built connection string when doing Model from Database though, so I'm at a loss right now.
First, I have created a second constructor for the context class that takes a string and does base(connectionString). Then I build the connection string via
OracleConnectionStringBuilder oracleBuilder = new OracleConnectionStringBuilder();
oracleBuilder.DataSource = "TEST.BLA.COM";
oracleBuilder.UserID = "ABC";
oracleBuilder.Password = "abc";
oracleBuilder.PersistSecurityInfo = true;
string connection = oracleBuilder.ToStrin();
Now trying to open an EntityConnection by giving to it this provider-specific connection string (or even the static one from the App.Config) doesn't work; I get "keyword not supported: user id"). Trying it by creating a context and giving this connection string doesn't work either. I'm pretty sure that this is because I didn't specify the provider to use; after all, it should use the Oracle.ManagedDataAccess.Client provider and not an SQL Server based one.
I then tried to get around this by using an EntityConnectionStringBuilder on top and specifying the provider keyword there, but then I get "keyword not supported: provider" when using it in the context constructor, and "the 'metadata' keyword is always required" when using it with the EntityConnection constructor.
As I said above: I bet it's the provider that I have to specify somehow, but I don't know how. The code that does work is the following:
using (var context = new Model())
context.Database.Connection.Open();
context.Database.Connection.Close();
When I read context.Database.Connection.ConnectionString, it is exactly the provider-specific connection string I created above, but I don't know where to specify the provider again. Do you know of any way to do this? Certainly there must be one.
PS: I have also posted this question on http://stackoverflow.com/questions/27979454/ef-code-first-from-database-with-managed-oracle-data-access-dynamic-connection because it is quite urgent and I'd like to use Code First from Database. Otherwise I'd have to go "back" to using Model from Database again, which is not ideal because we have updatable views where the .edmx-file has to be edited after every reload of the model, while with Code First from DB inserting into the view automatically works.

Connecting a Different Speaker to the S750

My computer decided to create an error that shot a high pitched garble throughout my speaker system. Needless to say thankfully it seems it only ruined one speaker the center channel.
The center channel only produces sound from its midrange woofer now. If there is a fix for that i'd love to hear it.
For now i have an old sony center speaker to replace it with. Just curious if its ok to connect a different speaker to the s750. Its power rating its around 70watts rms.
Message Edited by SkyG on 11-26-2007 12:03 PM

Any 8 ohms speaker will work! Or you could just get the MC100.
http://www.cambridgesoundworks.com/s...d&item=cmc0zzz
Message Edited by evo9 on 11-27-2007 10:27 AM

How to create dynamic connection in business view manager.

Hi Sir,
Can u explain how to create dynamic connection in business view manager.
Thanks
Vishali Raghava Raju

HI Vaishali,
Can you please elaborate your requirement ?
-Regards
B

Dynamically connecting to different clusters

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