Connection closed error

Hi in ODI I get following error frequently.

com.sunopsis.dwg.SQLWorkReposException: closing connection
at oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:70)
at oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:133)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:199)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:263)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:271)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:445)
at oracle.jdbc.driver.PhysicalConnection.prepareStatement(PhysicalConnection.java:3127)
at oracle.jdbc.driver.PhysicalConnection.prepareStatement(PhysicalConnection.java:3042)
at sun.reflect.GeneratedMethodAccessor64.invoke (unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at oracle.ucp.jdbc.proxy.JDBCConnectionProxyFactory.invoke(JDBCConnectionProxyFactory.java:244)
to $Proxy1.prepareStatement (Unknown Source)
at sun.reflect.GeneratedMethodAccessor64.invoke (unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
to oracle.odi.core.datasource.support.RuntimeClassLoaderDataSourceCreator$ ConnectionInvocationHandler.invoke (RuntimeClassLoaderDataSourceCreator.java:104)
to $Proxy2.prepareStatement (Unknown Source)
at com.sunopsis.sql.SnpsQuery.getPreparedStatement(SnpsQuery.java:977)
at com.sunopsis.sql.SnpsQuery.getPreparedStatement(SnpsQuery.java:1018)
at com.sunopsis.sql.SnpsQuery.updateExecStatement(SnpsQuery.java:1872)
at com.sunopsis.sql.SnpsQuery.executeQuery(SnpsQuery.java:554)
at com.sunopsis.dwg.dbobj.generated.GeneratedSnpLockedObject.getObjectLst(GeneratedSnpLockedObject.java:368)
at oracle.odi.ui.OdiDisconnectController.performDisconnect(OdiDisconnectController.java:163)
to oracle.odi.ui.OdiAddin$ 8.canShutdown(OdiAddin.java:505)
at oracle.ide.cmd.ExitCommand.canShutdown(ExitCommand.java:181)
at oracle.ide.cmd.ExitCommand.doit(ExitCommand.java:357)
at oracle.ide.controller.CommandProcessor.invoke(CommandProcessor.java:317)
at oracle.ide.IdeCore.quit(IdeCore.java:785)
at oracle.ide.Ide.quit(Ide.java:604)
to oracle.ideimpl.MainWindowImpl$ 5.windowClosing(MainWindowImpl.java:380)
at java.awt.AWTEventMulticaster.windowClosing(AWTEventMulticaster.java:332)
at java.awt.AWTEventMulticaster.windowClosing(AWTEventMulticaster.java:332)
at java.awt.AWTEventMulticaster.windowClosing(AWTEventMulticaster.java:332)
at java.awt.Window.processWindowEvent(Window.java:1865)
at javax.swing.JFrame.processWindowEvent(JFrame.java:274)
at java.awt.Window.processEvent(Window.java:1823)
at java.awt.Component.dispatchEventImpl(Component.java:4630)
at java.awt.Container.dispatchEventImpl(Container.java:2099)
at java.awt.Window.dispatchEventImpl(Window.java:2478)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

What would be the reason for this?
And how it can be prevented?

I have experienced this problem with executing scenarios in asynchronous mode when the source and target are in the same database.

I have 4 layers - landing (table source as-is), directing (only the columns, I need to ask), integration (transformations based on the staging), Dimensions (creation of dimensions and fact tables).

I came across this particular question to ask to stage, where it seems that landing packages are not close the connection in time for packets of staging pick up of the resource.

There are a few things you can try:
Set the initial and maximum connections in the connection pool of weblogic for the ODI master repository. I found this helps a little but always causes problem when loading large tables. Change is possible via the console in weblogic (port default 7003) ODI-> navigate to Services-> Data Sources, select the ODI Master repository, then click on the tab Connection Pool - update of the initial capacity and capacity-> Lock & Edit then activate/register the changes.

Or - what I found works without problem is:
Make all synchronous in the parcel scenarios or just interfaces in the package instead of the scenarios (as they always run in the series).

See you soon
coolhand_luke

Tags: Business Intelligence

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