Is WebLogic 6.1sp3 refreshing connections in parellel?

During our tests, I found WebLogic connection pool refreshing its
connections sequentially (refresh one after another). If create a JDBC
connection costs 20 seconds (because Oracle Net 8 fail over), then
refreshing the second connection will wait 40 seconds, the third will be
60 seconds and so on. In order to isolate the problem, I wrote a stand
alone java application. This application simply starts 100 threads, for each
thread creates one JDBC connection. No matter the driver was OCI driver
or thin driver, when I use class.forName to create connection, the jobs
were done parellely.
So I investigated into the WebLogic thread dump, I noticed
weblogic.common.internal.ResourceAllocator.resetThisOne was called when
WebLogic tried to refresh a connection. I looked at the method
signature, this method,
weblogic.common.internal.ResourceAllocator.resetThisOne,
was synchronized. I think this is the place that caused refreshing JDBC
connections sequentially.
If I was right, is there anyway that can speed up connections
refreshing?

Wenji Tong wrote:
YES, this one works.
Then, my question is why this method was synchronized. If it is not
synchronized, any problem will be? Does BEA have any plan on that or it is
ok for us to use your jar file in production?
Thanks,
WenjiI unsynchronised the method because I could see no reason why it needed to be.
I will enquire before making it the official behavior, but it is likely to become so.
Joe.
>
>
"Joseph Weinstein" <[email protected]> wrote in message
news:[email protected]...
Wenji Tong wrote:
Here is one of the thread dump, we can see it was waiting at
weblogic.common.internal.ResourceAllocator.resetThisOne which was
synchronized.Ah. Thanks. Here's a test jar. Can you try it? Make sure it's at the frontof the
classpath the server constructs for itself, and let me know if this speedsthings up or not.
thanks,
Joe
I didn't put other threads dump here because they are all the same and
waiting at this method. For reconnect a connection will tak 20 seconds,
this
was confirmed by Oracle technical support. 20 seconds for connectionsfail
over is ok if WebLogic can do the job in parellel, but we just found it
didn't. We are using 40 executive threads, because we have many'transaction
requiresnew', so we put min=max=100 connections in pool.
Thanks,
Wenji
"ExecuteThread: '28' for queue: 'default'" daemon prio=5 tid=0x52a2a8
nid=0x29 waiting for monitor entry [0xd4280000..0xd42819d8]
at
weblogic.common.internal.ResourceAllocator.resetThisOne(ResourceAllocator.ja
va:872)
at
weblogic.common.internal.ResourceAllocator.reserve(ResourceAllocator.java:48
1)
at
weblogic.common.internal.ResourceAllocator.reserve(ResourceAllocator.java:40
0)
at
weblogic.common.internal.ResourceAllocator.reserveWaitSecs(ResourceAllocator
.java:390)
at
weblogic.jdbc.common.internal.ConnectionPool.reserve(ConnectionPool.java:163
at
weblogic.jdbc.common.internal.ConnectionPool.reserveWaitSecs(ConnectionPool.
java:117)
atweblogic.jdbc.jts.Connection.getOrCreateConnection(Connection.java:565)
at weblogic.jdbc.jts.Connection.prepareStatement(Connection.java:115)
at
weblogic.jdbc.rmi.internal.ConnectionImpl.prepareStatement(ConnectionImpl.ja
va:135)
at
weblogic.jdbc.rmi.SerialConnection.prepareStatement(SerialConnection.java:78
at
com.cibc.bankframe.bo.retail.solutionset.impl.teller.rwusersession.eontec_bo
>
retailrwusersession_po7s97__WebLogic_CMP_RDBMS.ejbFindByPrimaryKey(eontec_
bo_retail_rwusersession_po7s97__WebLogic_CMP_RDBMS.java:1099)
at java.lang.reflect.Method.invoke(Native Method)
at
weblogic.ejb20.cmp11.rdbms.PersistenceManagerImpl.findByPrimaryKey(Persisten
ceManagerImpl.java:154)
at
weblogic.ejb20.manager.BaseEntityManager.findByPrimaryKey(BaseEntityManager.
java:430)
at
weblogic.ejb20.manager.BaseEntityManager.remoteFindByPrimaryKey(BaseEntityMa
nager.java:377)
at
weblogic.ejb20.internal.EntityEJBHome.findByPrimaryKey(EntityEJBHome.java:33
2)
at
com.cibc.bankframe.bo.retail.solutionset.impl.teller.rwusersession.UserSessi
>onCMPBean_po7s97_HomeImpl.findByPrimaryKey(UserSessionCMPBean_po7s97_HomeImp
l.java:170)
at
com.cibc.bankframe.util.retail.solutionset.impl.utilities.FindHelper.imGetUs
erSession(FindHelper.java:1074)
at
com.bankframe.bp.retail.solutionset.impl.customersearch.CustomerSearchBean.v
alidateUserSessionId(CustomerSearchBean.java:2711)
at
com.bankframe.bp.retail.solutionset.impl.customersearch.CustomerSearchBean.p
rocessDataPacket(CustomerSearchBean.java:106)
at
com.bankframe.bp.retail.solutionset.impl.customersearch.CustomerSearchSessio
nBean.processDataPacket(CustomerSearchSessionBean.java:75)
at
com.bankframe.bp.retail.solutionset.impl.customersearch.CustomerSearchSessio
>nBean_urn8bi_EOImpl.processDataPacket(CustomerSearchSessionBean_urn8bi_EOImp
l.java:1065)
at
com.bankframe.services.requestrouter.RequestRouterBean.getResponseDataPacket
s(Unknown Source)
at
com.bankframe.services.requestrouter.RequestRouterBean.processRequestWithRet
ry(Unknown Source)
at
com.bankframe.services.requestrouter.RequestRouterBean.processDataPackets(Un
known Source)
at
com.bankframe.services.requestrouter.RequestRouterBean_weyfvd_EOImpl.process
DataPackets(RequestRouterBean_weyfvd_EOImpl.java:37)
at
com.bankframe.services.requestrouter.RequestRouterUtils.processDataPackets(U
nknown Source)
at
com.bankframe.cibc.ei.servlet.CBFEEontecServlet.processDataPackets(CBFEEonte
cServlet.java:69)
at
com.bankframe.cibc.ei.servlet.CBFEEontecServlet.service(CBFEEontecServlet.ja
va:96)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java
:265)
at
weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java
:200)
at
weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletCo
ntext.java:2546)
at
weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java
:2260)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
"Joseph Weinstein" <[email protected]> wrote in message
news:[email protected]...
Wenji Tong wrote:
Yes, I'm using testConnsOnReserve. I'm using 100 connections and
Oracle
Net
8 fail over. I'm doing the load test. When one Oracle server down
(the
first
one in tnsnames.ora address list), the new request for connection
will
take
more than 20 seconds (it is because tcp socket delay, it will take
so
long
any way). The problem comes out here. For load testing, it keeps
sending
request to WebLogic Server, WLS will reconnect the connection foreach
request. I believe for each request, the reconnect job was doing in
different thread, am I right?yes. With testConnsOnReserve, a given application thread will be doingthe
test-and-replace
of a connection. I hope your pool increment is 1.
The jobs supposed to do in parellel, but I
found it didn't. For example, 40 new requests comes in, WLS printed
out
'This connection will now be refreshed.' 40 times almost at sametime.
Then
after 20 seconds I got only one 'Connection for pool "xxxx"
refreshed.'
message. After another 20 seconds, I got another 'Connection forpool
"xxxx"
refreshed.' message, and so on. Obviously, there are some resources
are
synchronized. You can imagine for 100 connections, how long it willtake
to
fail over. Actually, before all 100 connections failed over, WLS washung.
Not necessarily true. Take a thread dump and see what the server
threads
are doing.
They may all be independently waiting for Oracle, ot TCPIP. How manyexecute-threads
is your server running? You should only need N pool connections if youhave N execute-threads
(again, make sure you turned off refresh).
Wenji
"Joseph Weinstein" <[email protected]> wrote in message
news:[email protected]...
Wenji Tong wrote:
During our tests, I found WebLogic connection pool refreshing
its
connections sequentially (refresh one after another). If createa
JDBC
connection costs 20 seconds (because Oracle Net 8 fail over),
then
refreshing the second connection will wait 40 seconds, the thirdwill be
60 seconds and so on. In order to isolate the problem, I wrote astand
alone java application. This application simply starts 100
threads,
for
each
thread creates one JDBC connection. No matter the driver was OCI
driver
or thin driver, when I use class.forName to create connection,
the
jobs
were done parellely.
So I investigated into the WebLogic thread dump, I noticed
weblogic.common.internal.ResourceAllocator.resetThisOne was
called
when
WebLogic tried to refresh a connection. I looked at the method
signature, this method,
weblogic.common.internal.ResourceAllocator.resetThisOne,
was synchronized. I think this is the place that caused
refreshing
JDBC
connections sequentially.
If I was right, is there anyway that can speed up connections
refreshing?Refresh is done in one thread. It is not adviseable to spawn
threads
in
a middleware system such as weblogic, because we must control the
JVM resources to do the applciation work, and can't allow power to
be drained. (Threads aren't free).
However, if you have testConnsOnReserve set true, you don't
need refresh, so you can turn it off. That way the one thread
needing
the
connection will pay (only) the cost of replacing one connection.
Joe

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    at weblogic.j2ee.J2EEService.addDeployment(J2EEService.java:117)
    at
    weblogic.management.mbeans.custom.DeploymentTarget.addDeployment(DeploymentT
    arget.java:360)
    at
    weblogic.management.mbeans.custom.DeploymentTarget.addDeployments(Deployment
    Target.java:285)
    at
    weblogic.management.mbeans.custom.DeploymentTarget.updateServerDeployments(D
    eploymentTarget.java:239)
    at
    weblogic.management.mbeans.custom.DeploymentTarget.updateDeployments(Deploym
    entTarget.java:199)
    at java.lang.reflect.Method.invoke(Native Method)
    at
    weblogic.management.internal.DynamicMBeanImpl.invokeLocally(DynamicMBeanImpl
    .java:636)
    at
    weblogic.management.internal.DynamicMBeanImpl.invoke(DynamicMBeanImpl.java:6
    21)
    at
    weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBea
    nImpl.java:360)
    Steve Kim
    [email protected]
    SolarMetric Inc.
    http://www.solarmetric.com

  • Refreshing Connection Error at Welcome

    Hello all,
    Rebuilding the Xserve with 10.6 server.
    The problem - The server is showing a solid amber light on the front panel where the ! button is. Once the installation of the server software has completed, and the machine restarts it pauses at the Welcome screen during setup. Both buttons 'Go Back' and 'Continue' are greyed out, and 'Configuring defaults' spins in the bottom left of the window. After some time a window pops up stating the following:
    An error occurred while performing the following actions on the server: Refreshing connection / A network error occurred.
    It won't let me proceed with setup.
    Details - Network infrastructure wise nothing has changed, this all worked ok last week. I'm able to remote into the server from another Mac via VNC, so it is getting assigned an IP etc. If I boot from the install disk and run the utilities everything is reporting back as being ok in each utility. I'm unable to find any other info about this error... does any one have a solution/experience?

    For future reference...
    Left the server running in this state over night - no better by the morning.
    Turned it off and unplugged the power for a couple of hours, came back to it, plugged it all back in and turned it on - appears everything is now working correctly.

  • Weblogic handling of inbound connections

    OS=Solaris2.6
    WLS=4.5.2
    JDK=1.2.1
    Can anybody answer how weblogic handles inbound TCP connections?
    I have heard, but not confirmed that 3 threads are dedicated for handling
    incoming connections.
    My question is, what happens in the case where there are more than 3
    incoming connections at a time?
    Are TCP reset packets send back to the client?
    Are the packets queued? if so, how and for how long?

    t> I have heard, but not confirmed that 3 threads are dedicated for
    t> handling incoming connections.
    Two threads listen for incoming connections - one for plaintext
    connections, and one for SSL. Once a connection has come in, a
    minimal amount of processing is done, and it is then queued to be
    handled by other threads.
    t> My question is, what happens in the case where there are more than
    t> 3 incoming connections at a time?
    They are queued in the system's TCP stack until one of the listen
    threads gets to them. You can control the allowable backlog using the
    weblogic.system.acceptBacklog property.
         <b
    Let us pray:
    What a Great System.
    Please Do Not Crash.
    ^G^IP@P6

  • Weblogic 6.1 sp2 Connection Pool will not connect to oci901 driver

    ok, I am trying to get weblogic to connect to the connection pool in solaris. I created
    the pool in the console with the following:
    URL = jdbc:weblogic:oracle
    Driver Class Name = weblogic.jdbc.oci.Driver
    Properties = user=sa password=*****
    I also set the LD_LIBRARY PATH as directed.
    LD_LIBRARY_PATH=/usr/local/wlserver6.1/lib/solaris/oci901_8:ORACLE/lib
    Oracle is on a seperate box then the box that Weblogic is installed on so I think
    the problem is in my LD_LIBRARY_PATH. Here is the error I am getting. Any help
    would be appreciated.
    Starting Loading jDriver/Oracle .....
    <Jun 7, 2002 9:04:25 AM CDT> <Error> <JDBC> <Cannot startup connection pool "FargoPool"
    weblogic.common.ResourceException:
    Could not create pool connection. The DBMS driver exception was:
    java.sql.SQLException: System.loadLibrary(weblogicoci37) threw java.lang.UnsatisfiedLinkError:
    /usr/local/wlserver6.1/lib/solaris/oci901_8/libweblogicoci37.so: ld.so.1: /home/bea/jdk131/jre/bin/../bin/sparc/native_threads/java:
    fatal: libclntsh.so.9.0: open failed: No such file or directory
    at weblogic.jdbc.oci.Driver.loadLibraryIfNeeded(Driver.java:226)
    at weblogic.jdbc.oci.Driver.connect(Driver.java:76)
    at weblogic.jdbc.common.internal.ConnectionEnvFactory.makeConnection(ConnectionEnvFactory.java:193)
    at weblogic.jdbc.common.internal.ConnectionEnvFactory.createResource(ConnectionEnvFactory.java:134)
    at weblogic.common.internal.ResourceAllocator.makeResources(ResourceAllocator.java:698)
    at weblogic.common.internal.ResourceAllocator.<init>(ResourceAllocator.java:282)
    at weblogic.jdbc.common.internal.ConnectionPool.startup(ConnectionPool.java:623)
    at weblogic.jdbc.common.JDBCService.addDeployment(JDBCService.java:107)
    at weblogic.management.mbeans.custom.DeploymentTarget.addDeployment(DeploymentTarget.java:329)
    at weblogic.management.mbeans.custom.DeploymentTarget.addDeployment(DeploymentTarget.java:144)
    at java.lang.reflect.Method.invoke(Native Method)
    at weblogic.management.internal.DynamicMBeanImpl.invokeLocally(DynamicMBeanImpl.java:636)
    at weblogic.management.internal.DynamicMBeanImpl.invoke(DynamicMBeanImpl.java:621)
    at weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBeanImpl.java:359)
    at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)
    at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)
    at weblogic.management.internal.ConfigurationMBeanImpl.updateConfigMBeans(ConfigurationMBeanImpl.java:491)
    at weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBeanImpl.java:361)
    at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)
    at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)
    at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:468)
    at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:209)
    at $Proxy8.addDeployment(Unknown Source)
    at weblogic.management.internal.DynamicMBeanImpl.updateDeployments(DynamicMBeanImpl.java:1516)
    at weblogic.management.internal.DynamicMBeanImpl.setAttribute(DynamicMBeanImpl.java:895)
    at weblogic.management.internal.DynamicMBeanImpl.setAttribute(DynamicMBeanImpl.java:847)
    at weblogic.management.internal.ConfigurationMBeanImpl.setAttribute(ConfigurationMBeanImpl.java:295)
    at com.sun.management.jmx.MBeanServerImpl.setAttribute(MBeanServerImpl.java:1356)
    at com.sun.management.jmx.MBeanServerImpl.setAttribute(MBeanServerImpl.java:1331)
    at weblogic.management.internal.MBeanProxy.setAttribute(MBeanProxy.java:322)
    at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:204)
    at $Proxy17.setTargets(Unknown Source)
    at java.lang.reflect.Method.invoke(Native Method)
    at weblogic.management.console.info.FilteredMBeanAttribute.doSet(FilteredMBeanAttribute.java:92)
    at weblogic.management.console.actions.mbean.DoEditMBeanAction.perform(DoEditMBeanAction.java:135)
    at weblogic.management.console.actions.internal.ActionServlet.doAction(ActionServlet.java:171)
    at weblogic.management.console.actions.internal.ActionServlet.doPost(ActionServlet.java:85)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
    at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:265)
    at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:200)
    at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:2495)
    at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2204)
    at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
    at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
    at weblogic.jdbc.common.internal.ConnectionEnvFactory.makeConnection(ConnectionEnvFactory.java:209)
    at weblogic.jdbc.common.internal.ConnectionEnvFactory.createResource(ConnectionEnvFactory.java:134)
    at weblogic.common.internal.ResourceAllocator.makeResources(ResourceAllocator.java:698)
    at weblogic.common.internal.ResourceAllocator.<init>(ResourceAllocator.java:282)
    at weblogic.jdbc.common.internal.ConnectionPool.startup(ConnectionPool.java:623)
    at weblogic.jdbc.common.JDBCService.addDeployment(JDBCService.java:107)
    at weblogic.management.mbeans.custom.DeploymentTarget.addDeployment(DeploymentTarget.java:329)
    at weblogic.management.mbeans.custom.DeploymentTarget.addDeployment(DeploymentTarget.java:144)
    at java.lang.reflect.Method.invoke(Native Method)
    at weblogic.management.internal.DynamicMBeanImpl.invokeLocally(DynamicMBeanImpl.java:636)
    at weblogic.management.internal.DynamicMBeanImpl.invoke(DynamicMBeanImpl.java:621)
    at weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBeanImpl.java:359)
    at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)
    at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)
    at weblogic.management.internal.ConfigurationMBeanImpl.updateConfigMBeans(ConfigurationMBeanImpl.java:491)
    at weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBeanImpl.java:361)
    at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)
    at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)
    at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:468)
    at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:209)
    at $Proxy8.addDeployment(Unknown Source)
    at weblogic.management.internal.DynamicMBeanImpl.updateDeployments(DynamicMBeanImpl.java:1516)
    at weblogic.management.internal.DynamicMBeanImpl.setAttribute(DynamicMBeanImpl.java:895)
    at weblogic.management.internal.DynamicMBeanImpl.setAttribute(DynamicMBeanImpl.java:847)
    at weblogic.management.internal.ConfigurationMBeanImpl.setAttribute(ConfigurationMBeanImpl.java:295)
    at com.sun.management.jmx.MBeanServerImpl.setAttribute(MBeanServerImpl.java:1356)
    at com.sun.management.jmx.MBeanServerImpl.setAttribute(MBeanServerImpl.java:1331)
    at weblogic.management.internal.MBeanProxy.setAttribute(MBeanProxy.java:322)
    at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:204)
    at $Proxy17.setTargets(Unknown Source)
    at java.lang.reflect.Method.invoke(Native Method)
    at weblogic.management.console.info.FilteredMBeanAttribute.doSet(FilteredMBeanAttribute.java:92)
    at weblogic.management.console.actions.mbean.DoEditMBeanAction.perform(DoEditMBeanAction.java:135)
    at weblogic.management.console.actions.internal.ActionServlet.doAction(ActionServlet.java:171)
    at weblogic.management.console.actions.internal.ActionServlet.doPost(ActionServlet.java:85)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
    at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:265)
    at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:200)
    at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:2495)
    at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2204)
    at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
    at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)

    "Tim" <[email protected]> wrote:
    >
    I have the following setup.
    For QA, 1 IIS Server (using plug-in from 6.1 SP2) forwarding all request
    to a
    cluster on the backend. (2 Physical Servers, 4 JVM's). I do have a firewall
    in
    between the IIS Server & the backend servers.
    According to the docs, the IIS plug-in is supposed to establish a connection
    pool
    to the backend. I do not see this behavior.
    I see a connection created/close per request.
    So , I have 2 questions:
    1. Does the IIS Plug-in use connection Pooling, Do you have to enable
    it ?
    2. How do I control the pool size ?
    Thanks in advance,
    TimDoes anyone from BEA monitor this newsgroup ?
    I have also opened up a case (1 week old) with tech support and still do not have
    an answer. This is very frustrating considering the cost of owning this environment.
    Tim

  • Can you run weblogic without a network connection?

    I'm using weblogic platform 7.0. When I tried to start weblogic without a network
    connection, it got some error trying to connect to www.bea.com. Presumably it's
    trying to load the dtd in order to valid the deployment descriptors. If I downloaded
    the dtds and changed my deployment descriptors to point to the local dtd file
    urls, weblogic could be started while staying off the net. Is there a simpler
    way to make weblogic (and applications deployed on it) work without a network
    connection?
    -hoki

    I had the same problem (when my DSL provider went out of business ;-)). If I
    remember correctly, the problem was that I had public id in the descriptor
    which didn't match weblogic's - all the dtd's needed are in the weblogic.jar.
    Ho-Ki Au <[email protected]> wrote:
    I'm using weblogic platform 7.0. When I tried to start weblogic without a network
    connection, it got some error trying to connect to www.bea.com. Presumably it's
    trying to load the dtd in order to valid the deployment descriptors. If I downloaded
    the dtds and changed my deployment descriptors to point to the local dtd file
    urls, weblogic could be started while staying off the net. Is there a simpler
    way to make weblogic (and applications deployed on it) work without a network
    connection?
    -hoki--
    Dimitri

  • Weblogic 6.1sp3 Oracle 9i connectivity issue

    All,
    I need your help in overcoming a Connection Pool issue. Details are:
    -Configuration - Weblogic 6.1 sp2, Oracle 9i (on a P4 machine)
    -Connection pool entry (config.xml)
    <JDBCConnectionPool CapacityIncrement="1" DriverName="oracle.jdbc.driver.OracleDriver"
    InitialCapacity="5"
    MaxCapacity="25" Name="ejbPool" Properties="user=testuser;password=testpassword;dll=ocijdbc8;protocol=thin"
    RefreshMinutes="10" ShrinkPeriodMinutes="5" Targets="myserver"
    TestConnectionsOnReserve="true" TestTableName="dual" URL="jdbc:oracle:thin:@delmtest:1521:SID"/>
    While starting weblogic, I get the following exception:
    <Oct 25, 2002 5:00:46 PM IST> <Error> <JDBC> <Cannot startup connection pool "ejbPool"
    weblogic.common.ResourceException:
    Could not create pool connection. The DBMS driver exception was:
    java.lang.ArrayIndexOutOfBoundsException
    at oracle.security.o3logon.C0.r(C0)
    at oracle.security.o3logon.C0.l(C0)
    at oracle.security.o3logon.C1.c(C1)
    at oracle.security.o3logon.O3LoginClientHelper.getEPasswd(O3LoginClientHelper)
    Any pointers will be greatly appreciated.
    Thanks,
    Raja

    Problem solved!! Solution was to include the correct classes12.jar file in the
    CLASSPATH BEFORE weblogic.jar. This is because weblogic.jar also ships with an
    oracle driver, which is 8.1.7 (not 9i).
    Thanks for your help..
    Joseph Weinstein <[email protected]> wrote:
    >
    >
    Raja Raman wrote:
    Full stack trace is:Yep. The pool never got created. The failure below is during pool creation,
    and is definitely an Oracle internal problem. You should simplify the
    problem
    by trying (maybe with Oracle's help) to make a simple JDBC connection
    to your DBMS, with their driver, in a simple standalone program.
    joe
    <Oct 25, 2002 7:38:25 PM IST> <Error> <JDBC> <Cannot startup connectionpool "ejbPool"
    weblogic.common.ResourceException:
    Could not create pool connection. The DBMS driver exception was:
    java.lang.ArrayIndexOutOfBoundsException
    at oracle.security.o3logon.C0.r(C0)
    at oracle.security.o3logon.C0.l(C0)
    at oracle.security.o3logon.C1.c(C1)
    at oracle.security.o3logon.O3LoginClientHelper.getEPasswd(O3LoginClientHelper)
    at oracle.jdbc.ttc7.O3log.<init>(O3log.java:289)
    at oracle.jdbc.ttc7.TTC7Protocol.logon(TTC7Protocol.java:251)
    at oracle.jdbc.driver.OracleConnection.<init>(OracleConnection.java:246)
    at oracle.jdbc.driver.OracleDriver.getConnectionInstance(OracleDriver.java:365)
    at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:260)
    at weblogic.jdbc.common.internal.ConnectionEnvFactory.makeConnection(ConnectionEnvFactory.java:193)
    at weblogic.jdbc.common.internal.ConnectionEnvFactory.createResource(ConnectionEnvFactory.java:134)
    at weblogic.common.internal.ResourceAllocator.makeResources(ResourceAllocator.java:698)
    at weblogic.common.internal.ResourceAllocator.<init>(ResourceAllocator.java:282)
    at weblogic.jdbc.common.internal.ConnectionPool.startup(ConnectionPool.java:623)
    at weblogic.jdbc.common.JDBCService.addDeployment(JDBCService.java:107)
    at weblogic.management.mbeans.custom.DeploymentTarget.addDeployment(DeploymentTarget.java:329)
    at weblogic.management.mbeans.custom.DeploymentTarget.addDeployments(DeploymentTarget.java:279)
    at weblogic.management.mbeans.custom.DeploymentTarget.updateServerDeployments(DeploymentTarget.java:233)
    at weblogic.management.mbeans.custom.DeploymentTarget.updateDeployments(DeploymentTarget.java:193)
    at java.lang.reflect.Method.invoke(Native Method)
    at weblogic.management.internal.DynamicMBeanImpl.invokeLocally(DynamicMBeanImpl.java:636)
    at weblogic.management.internal.DynamicMBeanImpl.invoke(DynamicMBeanImpl.java:621)
    at weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBeanImpl.java:359)
    at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)
    at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)
    at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:468)
    at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:209)
    at $Proxy28.updateDeployments(Unknown Source)
    at weblogic.management.configuration.ServerMBean_CachingStub.updateDeployments(ServerMBean_CachingStub.java:2761)
    at weblogic.management.mbeans.custom.ApplicationManager.startConfigManager(ApplicationManager.java:370)
    at weblogic.management.mbeans.custom.ApplicationManager.start(ApplicationManager.java:160)
    at java.lang.reflect.Method.invoke(Native Method)
    at weblogic.management.internal.DynamicMBeanImpl.invokeLocally(DynamicMBeanImpl.java:636)
    at weblogic.management.internal.DynamicMBeanImpl.invoke(DynamicMBeanImpl.java:621)
    at weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBeanImpl.java:359)
    at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)
    at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)
    at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:468)
    at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:209)
    at $Proxy37.start(Unknown Source)
    at weblogic.management.configuration.ApplicationManagerMBean_CachingStub.start(ApplicationManagerMBean_CachingStub.java:480)
    at weblogic.management.Admin.startApplicationManager(Admin.java:1180)
    at weblogic.management.Admin.finish(Admin.java:590)
    at weblogic.t3.srvr.T3Srvr.start(T3Srvr.java:518)
    at weblogic.t3.srvr.T3Srvr.run(T3Srvr.java:203)
    at weblogic.Server.main(Server.java:35)
    at weblogic.jdbc.common.internal.ConnectionEnvFactory.makeConnection(ConnectionEnvFactory.java:209)
    at weblogic.jdbc.common.internal.ConnectionEnvFactory.createResource(ConnectionEnvFactory.java:134)
    at weblogic.common.internal.ResourceAllocator.makeResources(ResourceAllocator.java:698)
    at weblogic.common.internal.ResourceAllocator.<init>(ResourceAllocator.java:282)
    at weblogic.jdbc.common.internal.ConnectionPool.startup(ConnectionPool.java:623)
    at weblogic.jdbc.common.JDBCService.addDeployment(JDBCService.java:107)
    at weblogic.management.mbeans.custom.DeploymentTarget.addDeployment(DeploymentTarget.java:329)
    at weblogic.management.mbeans.custom.DeploymentTarget.addDeployments(DeploymentTarget.java:279)
    at weblogic.management.mbeans.custom.DeploymentTarget.updateServerDeployments(DeploymentTarget.java:233)
    at weblogic.management.mbeans.custom.DeploymentTarget.updateDeployments(DeploymentTarget.java:193)
    at java.lang.reflect.Method.invoke(Native Method)
    at weblogic.management.internal.DynamicMBeanImpl.invokeLocally(DynamicMBeanImpl.java:636)
    at weblogic.management.internal.DynamicMBeanImpl.invoke(DynamicMBeanImpl.java:621)
    at weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBeanImpl.java:359)
    at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)
    at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)
    at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:468)
    at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:209)
    at $Proxy28.updateDeployments(Unknown Source)
    at weblogic.management.configuration.ServerMBean_CachingStub.updateDeployments(ServerMBean_CachingStub.java:2761)
    at weblogic.management.mbeans.custom.ApplicationManager.startConfigManager(ApplicationManager.java:370)
    at weblogic.management.mbeans.custom.ApplicationManager.start(ApplicationManager.java:160)
    at java.lang.reflect.Method.invoke(Native Method)
    at weblogic.management.internal.DynamicMBeanImpl.invokeLocally(DynamicMBeanImpl.java:636)
    at weblogic.management.internal.DynamicMBeanImpl.invoke(DynamicMBeanImpl.java:621)
    at weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBeanImpl.java:359)
    at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)
    at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)
    at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:468)
    at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:209)
    at $Proxy37.start(Unknown Source)
    at weblogic.management.configuration.ApplicationManagerMBean_CachingStub.start(ApplicationManagerMBean_CachingStub.java:480)
    at weblogic.management.Admin.startApplicationManager(Admin.java:1180)
    at weblogic.management.Admin.finish(Admin.java:590)
    at weblogic.t3.srvr.T3Srvr.start(T3Srvr.java:518)
    at weblogic.t3.srvr.T3Srvr.run(T3Srvr.java:203)
    at weblogic.Server.main(Server.java:35)
    >
    Joseph Weinstein <[email protected]> wrote:
    Raja Raman wrote:
    All,
    I need your help in overcoming a Connection Pool issue. Details
    are:
    -Configuration - Weblogic 6.1 sp2, Oracle 9i (on a P4 machine)
    -Connection pool entry (config.xml)
    <JDBCConnectionPool CapacityIncrement="1" DriverName="oracle.jdbc.driver.OracleDriver"
    InitialCapacity="5"
    MaxCapacity="25" Name="ejbPool" Properties="user=testuser;password=testpassword;dll=ocijdbc8;protocol=thin"
    RefreshMinutes="10" ShrinkPeriodMinutes="5" Targets="myserver"
    TestConnectionsOnReserve="true" TestTableName="dual" URL="jdbc:oracle:thin:@delmtest:1521:SID"/>
    While starting weblogic, I get the following exception:
    <Oct 25, 2002 5:00:46 PM IST> <Error> <JDBC> <Cannot startup connectionpool "ejbPool"
    weblogic.common.ResourceException:
    Could not create pool connection. The DBMS driver exception was:
    java.lang.ArrayIndexOutOfBoundsException
    at oracle.security.o3logon.C0.r(C0)
    at oracle.security.o3logon.C0.l(C0)
    at oracle.security.o3logon.C1.c(C1)
    at oracle.security.o3logon.O3LoginClientHelper.getEPasswd(O3LoginClientHelper)Let me see the whole stacktrace. From the pool definition, the pooleither
    never got created,
    or it did get created and made some successful connections, so I suspect
    you may not be
    actually trying to get pool connections.
    Joe Weinstein at BEA
    Any pointers will be greatly appreciated.
    Thanks,
    Raja

  • Need help using weblogic.Deployer to refresh a webapp

    I'm trying to refresh some jsp from a webapp deployed in exploded format
    in WLS 8.1SP3
    The original source files are not located on the machine or filesystem
    running the admin server (the webapp is deployed on a cluster)
    On WLS 6.1SP5, we use weblogic.refresh to upload the files to the admin
    server and redeploy the refreshed files.
    The documentation suggest to use weblogic.Deployer with WLS8.1 since
    weblogic.refresh is deprecated.
    I couldn't find the correct command line options to reproduced the
    weblogic.refresh behaviour. Apparently it is not possible to upload the
    files to the admin server and redeploy in a single step. weblogic.Deployer
    expects the file to be already available to the admin server before
    issuing the redeploy (using rsync, ftp or whatever). Is this correct ?
    What did I miss ?
    Using M2, Opera's revolutionary e-mail client: http://www.opera.com/m2/

    I thought you've got error of another type - that error is fixed by simple software update.
    Regarding your case - it's always frightening in first time. Believe me - there's completely nothing to be afraid of.
    Resizing C drive may result killing your DATA on it only in case of energy is down during the process. Process is taking about 15-20 minutes on slow programs and about 3-4 minutes on fast programs. That means that even having problems with electricity you'll be able to finish everything correctly running on battery.
    I'd recommend using Acronis Disk director Suite, but it is not free. One of the best free progs for that are bootable Linux livecds PartedMagic and GParted. They're all intuitive understandable. 
    You will get your NOVO recovery feature lost after C resize, but you can enable it later, replacing that factory backup in hidden partition with your own backup - your NOVO button will restore your system with all your software and settings.
    it will be good for you to start with some basic principles on partitions organization schemes - why, what for and how questions are briefly explained here. After reading this you'll be able to ask right questions to get right answers.
    //help will save the world

  • ADF 11g application on Weblogic 10.3 + JDBC connection to Oracle XE

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    When i start my application in Jdev, it starts Weblogic and deploys my application. And all works fine!
    When i want to execute my Weblogic as standalone server, using Weblogic domain Administration console, i deploy my application as WAR archive
    before deploy, i've been created JDBC DataSource in Weblogic server, using Weblogic webinterface (connection test was OK)
    and now, when i start my application, entering application Url in internet explorer, i see that exception has ariced, her is the stack trace
    {color:#0000ff}&lt;17-Oct-2008 18:30:49 o'clock EEST&gt; &lt;Error&gt; &lt;HTTP&gt; &lt;xc002600109&gt; &lt;AdminServer&gt; &lt;ACTIVE ExecuteThread: '21' for queue: 'weblogic.kernel.Default (self-tuning)'&gt; &lt;&lt;WLS Kernel&gt;&gt; &lt;1224257449182&gt; &lt;BEA-101017&gt; &lt;[weblogic.servlet.internal.WebAppServletContext@1410e0d - appName: 'nano', name: 'nano.war', context-path: '/nano', spec-version: '2.5', request: weblogic.servlet.internal.ServletRequestImpl@8f5e03[
    GET /nano/faces/untitled3.jsp?_adf.ctrl-state=1797442774_7 HTTP/1.1
    User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.9.0.3) Gecko/2008092417 Firefox/3.0.3
    Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
    Accept-Language: en-gb,en;q=0.5
    Accept-Encoding: gzip,deflate
    Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
    Keep-Alive: 300
    Connection: keep-alive
    Cookie: oracle.uix=0^^GMT+3:00; JSESSIONID=wShvL4vT9h40V7TSNH9D84p3v4h48S992vJyWK6p0hnWflfZVpc2!652912999; ADMINCONSOLESESSION=r440L4XpGDJhhX3G1slmFdSzV3xSH51xGzhy912nTnpP2Zv1yVrQ!652912999
    Pragma: no-cache
    Cache-Control: no-cache
    ]] Root cause of ServletException.
    java.lang.NullPointerException
    at oracle.adf.model.bc4j.DCJboDataControl.findVariable(DCJboDataControl.java:2934)
    at oracle.adf.model.binding.DCVariableImpl.resolveSourceVariable(DCVariableImpl.java:69)
    at oracle.adf.model.binding.DCVariableImpl.getVariableKind(DCVariableImpl.java:162)
    at oracle.jbo.common.VariableManagerImpl.doGetVariables(VariableManagerImpl.java:125)
    at oracle.jbo.common.VariableManagerImpl.getVariablesOfKind(VariableManagerImpl.java:259)
    at oracle.jbo.common.VariableManagerImpl.getVariables(VariableManagerImpl.java:253)
    at oracle.jbo.common.VariableValueManagerImpl.doPassivateVariables(VariableValueManagerImpl.java:499)
    at oracle.jbo.common.VariableValueManagerImpl.getPassivatableVariables(VariableValueManagerImpl.java:439)
    at oracle.adf.model.binding.DCBindingContainer.buildFormToken(DCBindingContainer.java:4523)
    at oracle.adf.model.binding.DCBindingContainerState.buildStringBuffer(DCBindingContainerState.java:56)
    at oracle.adf.model.binding.DCBindingContainerState.toString(DCBindingContainerState.java:590)
    at oracle.adf.model.binding.DCBindingContainer.getStateToken(DCBindingContainer.java:4293)
    at oracle.adfinternal.controller.application.model.SaveStateTokenListener.afterPhase(SaveStateTokenListener.java:54)
    at oracle.adfinternal.controller.lifecycle.ADFLifecycleImpl$PagePhaseListenerWrapper.afterPhase(ADFLifecycleImpl.java:529)
    at oracle.adfinternal.controller.lifecycle.LifecycleImpl.internalDispatchAfterEvent(LifecycleImpl.java:118)
    at oracle.adfinternal.controller.lifecycle.LifecycleImpl.dispatchAfterPagePhaseEvent(LifecycleImpl.java:166)
    at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener$PhaseInvokerImpl.dispatchAfterPagePhaseEvent(ADFPhaseListener.java:122)
    at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener.afterPhase(ADFPhaseListener.java:68)
    at oracle.adfinternal.controller.faces.lifecycle.ADFLifecyclePhaseListener.afterPhase(ADFLifecyclePhaseListener.java:51)
    at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:354)
    at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:203)
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
    {color:#000000}i have learned about deployment descriptors and i have made additional files and changed web.xml file:
    {color:#ff0000}web.xml:
    {color:#000000}....{color}
    {color} &lt;resource-ref&gt;
    &lt;description&gt;Nano Datasource&lt;/description&gt;
    &lt;res-ref-name&gt;Nano_DB_connection&lt;/res-ref-name&gt;
    &lt;res-type&gt;javax.sql.DataSource&lt;/res-type&gt;
    &lt;res-auth&gt;Container&lt;/res-auth&gt;
    &lt;/resource-ref&gt;
    {color:#ff0000}weblogic.xml:{color}
    &lt;?xml version = '1.0' encoding = 'windows-1252'?&gt;
    &lt;weblogic-web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.bea.com/ns/weblogic/weblogic-web-app.xsd" xmlns="http://www.bea.com/ns/weblogic/weblogic-web-app"&gt;
    &lt;resource-description&gt;
    &lt;res-ref-name&gt;Nano_DB_connection&lt;/res-ref-name&gt;
    &lt;jndi-name&gt;Nano_DB_connection&lt;/jndi-name&gt;
    &lt;/resource-description&gt;
    &lt;/weblogic-web-app&gt;
    {color:#ff0000}weblogic-jdbc.xml:{color}
    &lt;?xml version = '1.0' encoding = 'windows-1252'?&gt;
    &lt;jdbc-data-source xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.bea.com/ns/weblogic/weblogic-jdbc.xsd" xmlns="http://www.bea.com/ns/weblogic/jdbc-data-source"&gt;
    &lt;name&gt;Nano_DB_connection&lt;/name&gt;
    &lt;jdbc-driver-params&gt;
    &lt;url&gt;10.5.25.169&lt;/url&gt;
    &lt;driver-name&gt;oracle.jdbc.OracleDriver&lt;/driver-name&gt;
    &lt;properties&gt;
    &lt;property&gt;
    &lt;name&gt;user&lt;/name&gt;
    &lt;value&gt;chaosdb&lt;/value&gt;
    &lt;/property&gt;
    &lt;property&gt;
    &lt;name&gt;servername&lt;/name&gt;
    &lt;value&gt;10.5.25.169&lt;/value&gt;
    &lt;/property&gt;
    &lt;property&gt;
    &lt;name&gt;portnumber&lt;/name&gt;
    &lt;value&gt;1521&lt;/value&gt;
    &lt;/property&gt;
    &lt;property&gt;
    &lt;name&gt;sid&lt;/name&gt;
    &lt;value&gt;XE&lt;/value&gt;
    &lt;/property&gt;
    &lt;/properties&gt;
    &lt;/jdbc-driver-params&gt;
    &lt;jdbc-data-source-params&gt;
    &lt;jndi-name&gt;Nano_DB_connection&lt;/jndi-name&gt;
    &lt;scope&gt;Application&lt;/scope&gt;
    &lt;/jdbc-data-source-params&gt;
    &lt;/jdbc-data-source&gt;
    in BC4J project Model.jpx tells that bc4j uses connection named Nano_DB_connection.
    in Weblogic datasource name is the same
    Question: how to bind my application in weblogic to existed connection/datasource in weblogic?
    how Jdev deploys and configures Weblogic server, that it works fine, but when i start THE SAME server manually, deploy application using JDEV the application execution failed (see above exception)
    maybe i should use EAR profile instead of WAR, to deploy all connections and other stuff to weblogic?
    {color:#ff0000}please help!!!{color}
    {color}{color}

    Hi,
    Did you configure your application module to use a JDBC data source? To do this, right-click the app module in the navigator, select Configurations and in the dialog that comes up change the connection type to JDBC Data Source and enter your data source name - which should be the same as the data source you created on the weblogic server.
    Also, I do suggest you create an EAR file - this is what we've tested and certified with. You can find more details in the deployment chapter of the fusion developer's guide: http://download.oracle.com/docs/cd/E12839_01/web.1111/b31974/deployment_topics.htm#CHDJJDDG.
    Hope this helps
    Blaise

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