Oracle database connectivity troubleshoot

Hi All,
We have two oracle homes and one database each on a windows server 32-bit. Users are facing problems while connecting remotely to this server. Please find details below,
Environment Details
OS - Windows Server 2003 R2 enterprise edition SP2
RAM - 6GB
Database Details
Two oracle homes
1) Version - 10.2.0.4
    SGA     - 500M
    DB size - 1G
2) Version - 11.2.0.1
    SGA     - 1.5G
    DB size - 22GBoth are active and in use. We have CA CLARITY PPM application pointed to oracle_home2. When users are trying to connect to this server remotely, the connection abdruptly disconnects or it will be very slow. When all oracle services are stopped, they were able to establish connection properly. The number of users accessing this application and database will be max 3 people. I am fairly new to oracle and clarity ppm and I am not knowing how to troubleshoot this issue. Please ask me if more info is required, I will try and get it.
Thanks & Regards

If you have sql*plus installed (and if you don't you should install it first), you should first establish whether connection from sql*plus works.
Right now you don't even know whether it is an application issue or a database issue (I say this, because in the past I had to deal with Clarity and this application seems to be ill-suited to work with Oracle).
'Stops responding' is usually not a connectivity problem, but a performance problem. I seem to recall the performance of Clarity was an issue (security definitely was).
In that case the central question for me always has been 'What is it waiting for'.
You should run AWR or statspack to establish what is going on.
Until you have done that, no one here can advice you, as there is no clue as to what is going on.
Regards
Sybrand Bakker
Senior Oracle DBA

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Class.forName ("oracle.jdbc.driver.OracleDriver");
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Thank you

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[email protected]
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Jacky,
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"Jacky Yan" <[email protected]> wrote in message
news:9m0tmp$[email protected]..
Hi,
Does anyone who hows to config the oracle database connection pool in IAS?
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[email protected]
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Hi,
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Running WLS 8.1 sp5 on Linux in a Cluster (4 servers)
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          Running Oracle Datbase 9.2.06 or 9.2.07; I think
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          Thanks. Later...
          - Wayne
          Wed Jan 10 08:30:13 EST 2007: EMS: Exception: EMSSenderDao.mdbChangeMessageQueueStatus() : java.lang.Exception: getMdbDBConnection() : java.sql.SQLException: Unexpected exception while enlisting XAConnection java.sql.SQLException: Transaction rolled back: Transaction timed out after 31 seconds
          BEA1-6A0F2B6B5AA26811FBB9
          at weblogic.jdbc.jta.DataSource.enlist(Lweblogic/transaction/Transaction;)V(Optimized Method)
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          at weblogic.jdbc.common.internal.RmiDataSource.getConnection()Ljava/sql/Connection;(Optimized Method)
          at com.foo_company.ems.dao.EMSSenderDao.mdbChangeMessageQueueStatus(ILjava/lang/String;I)I(Optimized Method)
          at com.foo_company.ems.ejb.emsmessageconsumer.EMSMessageConsumerBean.onMessage(Ljavax/jms/Message;)V(Optimized Method)
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Wayne Lau wrote:
          > Running WLS 8.1 sp5 on Linux in a Cluster (4 servers)
          > Using Oracle 10.2.0.2.0 Thin XA driver
          > Running Oracle Datbase 9.2.06 or 9.2.07; I think
          >
          > I am getting the SQLException: Unexpected exception while enlisting XAConnection java.sql.SQLException: Transaction rolled back: Transaction timed out after 31 seconds
          >
          > It fails at: weblogic.jdbc.jta.DataSource.enlist(Lweblogic/transaction/Transaction;)V(Optimized Method). The exception occurs on all 4 WLS instances at the same time.
          >
          > Stack trace at bottom. This problem seems to occur on and off at about the same time. We have not been able to see other jobs that would affect it during this time.
          > - Max Pool Size = 25
          > - Current and High Connections = 5
          > - Num Unavaiable = 0
          > - Failure to Reconnect = 0
          > - Connection Delay ranges from 57 to 126 milliseconds
          >
          > The problem occurs within an MDB. The MDB gets a msg from the JMS queue, fires off an SMTP msg, and tries to update the database and fails due to the timeout on enlisting in the XA transaction.
          >
          > Any thoughts on what to look for? Read the info at http://edocs.bea.com/wls/docs81/faq/JTA.html#738205. Is it talking to the Oracle database to enlist. Since occuring on all 4, there is a central place it's failing and I guess the database is a start.
          >
          > Thanks. Later...
          >
          >
          > - Wayne
          Hi. At that moment the issue, whatever it is, has already happened.
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          already taken longer than you have specified that a transaction
          must complete in. Ideally we'd like to see the JTA/JDBC/2PC debug
          logging turned on, so we have lines with timestamps for every
          step in your tx.
          Joe
          > Wed Jan 10 08:30:13 EST 2007: EMS: Exception: EMSSenderDao.mdbChangeMessageQueueStatus() : java.lang.Exception: getMdbDBConnection() : java.sql.SQLException: Unexpected exception while enlisting XAConnection java.sql.SQLException: Transaction rolled back: Transaction timed out after 31 seconds
          > BEA1-6A0F2B6B5AA26811FBB9
          > at weblogic.jdbc.jta.DataSource.enlist(Lweblogic/transaction/Transaction;)V(Optimized Method)
          > at weblogic.jdbc.jta.DataSource.getConnection()Ljava/sql/Connection;(Optimized Method)
          > at weblogic.jdbc.jta.DataSource.connect(Ljava/lang/String;Ljava/util/Properties;)Ljava/sql/Connection;(Optimized Method)
          > at weblogic.jdbc.common.internal.RmiDataSource.getConnection()Ljava/sql/Connection;(Optimized Method)
          > at com.foo_company.ems.dao.EMSSenderDao.mdbChangeMessageQueueStatus(ILjava/lang/String;I)I(Optimized Method)
          > at com.foo_company.ems.ejb.emsmessageconsumer.EMSMessageConsumerBean.onMessage(Ljavax/jms/Message;)V(Optimized Method)
          > at weblogic.ejb20.internal.MDListener.execute(Lweblogic/kernel/ExecuteThread;)V(Optimized Method)
          > at weblogic.ejb20.internal.MDListener.transactionalOnMessage(Ljavax/jms/Message;)V(Optimized Method)
          > at weblogic.ejb20.internal.MDListener.onMessage(Ljavax/jms/Message;)V(Optimized Method)
          > at weblogic.jms.client.JMSSession.onMessage(Ljavax/jms/MessageListener;Lweblogic/jms/common/MessageImpl;)V(Optimized Method)
          > at weblogic.jms.client.JMSSession.execute(Lweblogic/kernel/ExecuteThread;)V(Optimized Method)
          > at weblogic.kernel.ExecuteThread.execute(Lweblogic/kernel/ExecuteRequest;)V(Optimized Method)
          > at weblogic.kernel.ExecuteThread.run()V(ExecuteThread.java:183)
          > at java.lang.Thread.startThreadFromVM(Ljava/lang/Thread;)V(Unknown Source)

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Folks,
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Dear Vincent
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found the error, i forgot to add the oci817_8 folder from the weblogic bin directory
in the path.
"arif" <[email protected]> wrote:
>
Hi all,
I am tryin to establing connection to the oracle database through weblogic
6.1.
the connection starts normally and then it gives me an error stating
that weblogicoci37
is not found in the java library path. I tried to find it out in the
weblogic
directory but managed to find out some files with ...oci36. Am doing
something
weird!!
I am sure i downloaded the correct driver. My OS is NT and webserver
6.1 and the
jdriver is ocirel510sp11 package for oracle. Would be great to have
some suggestions!
i have listed the error below.
Starting Loading jDriver/Oracle .....
Error encountered:
java.sql.SQLException: System.loadLibrary(weblogicoci37) threw java.lang.UnsatisfiedLinkError:
no we
blogicoci37 in java.library.path
at weblogic.jdbc.oci.Driver.loadLibraryIfNeeded(Driver.java:226)
at weblogic.jdbc.oci.Driver.connect(Driver.java:76)
at java.sql.DriverManager.getConnection(DriverManager.java:517)
at java.sql.DriverManager.getConnection(DriverManager.java:146)
at utils.dbping.main(dbping.java:167)

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04:52:55,101 ERROR [STDERR] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
04:52:55,101 ERROR [STDERR] at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
04:52:55,101 ERROR [STDERR] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
04:52:55,102 ERROR [STDERR] at org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.invoke(ActiveRequestResponseCacheValve.java:53)
04:52:55,102 ERROR [STDERR] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362)
04:52:55,102 ERROR [STDERR] at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877)
04:52:55,102 ERROR [STDERR] at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653)
04:52:55,102 ERROR [STDERR] at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951)
04:52:55,103 ERROR [STDERR] at java.lang.Thread.run(Thread.java:619)
04:52:55,105 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[Test].[jsp]] Servlet.service() for servlet jsp threw exception: java.sql.SQLException: ???S???Y??x??
at oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:70) [ojdbc5.jar:Oracle JDBC Driver version - "11.1.0.7.0-Production"]
at oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:131) [ojdbc5.jar:Oracle JDBC Driver version - "11.1.0.7.0-Production"]
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:204) [ojdbc5.jar:Oracle JDBC Driver version - "11.1.0.7.0-Production"]
at oracle.jdbc.driver.T2CConnection.checkError(T2CConnection.java:650) [ojdbc5.jar:Oracle JDBC Driver version - "11.1.0.7.0-Production"]
at oracle.jdbc.driver.T2CConnection.logon(T2CConnection.java:338) [ojdbc5.jar:Oracle JDBC Driver version - "11.1.0.7.0-Production"]
at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:508) [ojdbc5.jar:Oracle JDBC Driver version - "11.1.0.7.0-Production"]
at oracle.jdbc.driver.T2CConnection.<init>(T2CConnection.java:133) [ojdbc5.jar:Oracle JDBC Driver version - "11.1.0.7.0-Production"]
at oracle.jdbc.driver.T2CDriverExtension.getConnection(T2CDriverExtension.java:53) [ojdbc5.jar:Oracle JDBC Driver version - "11.1.0.7.0-Production"]
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:510) [ojdbc5.jar:Oracle JDBC Driver version - "11.1.0.7.0-Production"]
at java.sql.DriverManager.getConnection(DriverManager.java:582) [:1.6.0_13]
at java.sql.DriverManager.getConnection(DriverManager.java:185) [:1.6.0_13]
at org.apache.jsp.index_jsp._jspService(index_jsp.java:68)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) [:6.0.0.20100911-M5]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) [:1.0.0.Beta2]
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369) [:6.0.0.20100911-M5]
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:326) [:6.0.0.20100911-M5]
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:253) [:6.0.0.20100911-M5]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) [:1.0.0.Beta2]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:324) [:6.0.0.20100911-M5]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242) [:6.0.0.20100911-M5]
at org.jboss.resteasy.plugins.server.servlet.FilterDispatcher.doFilter(FilterDispatcher.java:63) [:6.0.0.20100911-M5]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:274) [:6.0.0.20100911-M5]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242) [:6.0.0.20100911-M5]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275) [:6.0.0.20100911-M5]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) [:6.0.0.20100911-M5]
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:181) [:6.0.0.20100911-M5]
at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.event(CatalinaContext.java:285) [:1.1.0.CR3]
at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.invoke(CatalinaContext.java:261) [:1.1.0.CR3]
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:88) [:6.0.0.20100911-M5]
at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:100) [:6.0.0.20100911-M5]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) [:6.0.0.20100911-M5]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [:6.0.0.20100911-M5]
at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158) [:6.0.0.20100911-M5]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [:6.0.0.20100911-M5]
at org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.invoke(ActiveRequestResponseCacheValve.java:53) [:6.0.0.20100911-M5]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362) [:6.0.0.20100911-M5]
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) [:6.0.0.20100911-M5]
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653) [:6.0.0.20100911-M5]
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951) [:6.0.0.20100911-M5]
at java.lang.Thread.run(Thread.java:619) [:1.6.0_13]
When I am using thin driver, I am successful in connecting to the database
oracle.url=jdbc:oracle:thin:@(description=(address=(host=url.name.com)(protocol=tcp)(port=1521))(connect_data=(sid=user)))
I am using JBOSS 1.6 with oracle 11.1.0 and jdk 1.6
Please help me resolve the problem
Thanks,
Kumar

You should confirm that you can connect to the DB with a simple Java class using the url that the code you posted is using.
This will show that the OCI client is installed and executing properly. If you can't connect externally you will need to fix that first.
Is the Oracle client installed on the same machine the JDBC code is running on?

Oracle Database Connectivity

T
Edited by: user647180 on 13-Mar-2010 8:50 PM

user647180 wrote:
Hi,
I installed Oracle 10 g database on my windows vista 64 bit operating system , and then I installed Oracle client on windows XP, Finally I copy the tnsnames.ora file on my client site, Now I am able to access the database through my client.
My question is how can I acces my database from anywhere, For example I am at my friend home and I want to acces my home database.
Simple steps would be appreciateable.
ThanksTo answer this sensibly I would to look at a person's level of experience if they have not give much information. So I looked at your 2 previous posts .....
Okay ... let me get you right ........
On Oct 6th 2009 on {message:id=3810910} you said you are an Oracle certified (8i,9i,10g) professional
On Oct 11th 2009 you said on {thread:id=970285} I have two computer, I want to install oracle 10g database on one and client on second. anybody can tell how can i do this? Is 10g database and Client is a different software? and how can i connect client to database,I think something tnsnames.ora?
I am really hard pressed to understand an Oracle certified (8i,9i,10g) professional can ask the Oct 11th 2009 question.
If you are actually legitimately certified, and I have my doubts, please be aware Oracle retains the right to decertify people who do not demonstrate the required level of competence!!
If I've misread something here I must offer my apologies.
One method is to open firewall and establish NAT so your listener is forwarded via a port on your public IP address (which may not be static, so may change from time to time); and arrange for the tns connection stanza on this client to point to this IP and port opening up the firewall at your friends as necassary. Using VPN is another option. The methods for doing these are software and equipment dependent, but hopefully what I have described is a 6/10 description of the process.
Apart from me questioning the validity of your certification credentials .... can I also ask what this has to do with Oracle Certifications on the Oracle Certification forum ? (Database general or installation might be better, though I'm not sure either forum is totally relevant).
And can you see your certifications on Certview [http://certview.oracle.com/] ?

Oracle database connectivity troubleshoot

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