IllegalArgumentException processing POST request for com.ibm.team.filesystem.common.IFilesystemService.compareWorkspaces()

/jazz/service/com.ibm.team.filesystem.common.IFilesystemService]  WARN .team.repository.servlet.AbstractTeamServerServlet  - CRJAZ1163I IllegalArgumentException processing POST request for com.ibm.team.filesystem.common.IFilesystemService.compareWorkspaces().
java.lang.IllegalArgumentException
   at com.ibm.team.scm.common.internal.ConfigUtil.tableForItems(ConfigUtil.java:203)
  at com.ibm.team.scm.common.internal.ConfigUtil.retainAll(ConfigUtil.java:52)
   at com.ibm.team.scm.service.internal.compare.ChangeHistoryComparisonResult.updateReport(ChangeHistoryComparisonResult.java:138)
    at com.ibm.team.scm.service.internal.utils.HistoryGraphUtil.compareWorkspaces(HistoryGraphUtil.java:1615)
  at com.ibm.team.scm.service.internal.ScmServiceInternal.prepareAcceptCombinedUpdateReport(ScmServiceInternal.java:6117)
    at com.ibm.team.scm.service.internal.ScmService$119.run(ScmService.java:5182)
  at com.ibm.team.scm.service.internal.AbstractScmService$5.run(AbstractScmService.java:683)
 at com.ibm.team.repository.service.internal.rdb.RepositoryDatabase.runTransaction(RepositoryDatabase.java:383)
 at com.ibm.team.repository.service.internal.rdb.RepositoryDatabase.runInTransaction(RepositoryDatabase.java:288)
   at com.ibm.team.repository.service.internal.PrimitiveTransactionService.runInTransaction(PrimitiveTransactionService.java:96)
  at sun.reflect.GeneratedMethodAccessor74.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
   at java.lang.reflect.Method.invoke(Method.java:611)
    at org.eclipse.soda.sat.core.internal.record.ExportProxyServiceRecord.invoke(ExportProxyServiceRecord.java:361)
    at org.eclipse.soda.sat.core.internal.record.ExportProxyServiceRecord.access$0(ExportProxyServiceRecord.java:347)
  at org.eclipse.soda.sat.core.internal.record.ExportProxyServiceRecord$ExportedServiceInvocationHandler.invoke(ExportProxyServiceRecord.java:56)
    at com.sun.proxy.$Proxy142.runInTransaction(Unknown Source)
    at com.ibm.team.repository.service.internal.TransactionService.runInTransaction(TransactionService.java:45)
    at sun.reflect.GeneratedMethodAccessor355.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
   at java.lang.reflect.Method.invoke(Method.java:611)
    at org.eclipse.soda.sat.core.internal.record.ExportProxyServiceRecord.invoke(ExportProxyServiceRecord.java:361)
    at org.eclipse.soda.sat.core.internal.record.ExportProxyServiceRecord.access$0(ExportProxyServiceRecord.java:347)
  at org.eclipse.soda.sat.core.internal.record.ExportProxyServiceRecord$ExportedServiceInvocationHandler.invoke(ExportProxyServiceRecord.java:56)
    at com.sun.proxy.$Proxy264.runInTransaction(Unknown Source)
    at com.ibm.team.scm.service.internal.AbstractScmService.runInTransaction(AbstractScmService.java:428)
  at com.ibm.team.scm.service.internal.AbstractScmService.runInTransaction(AbstractScmService.java:673)
  at com.ibm.team.scm.service.internal.AbstractScmService.runInTransaction(AbstractScmService.java:651)
  at com.ibm.team.scm.service.internal.ScmService.prepareAcceptCombinedUpdateReport(ScmService.java:5179)
    at sun.reflect.GeneratedMethodAccessor505.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
   at java.lang.reflect.Method.invoke(Method.java:611)
    at org.eclipse.soda.sat.core.internal.record.ExportProxyServiceRecord.invoke(ExportProxyServiceRecord.java:361)
    at org.eclipse.soda.sat.core.internal.record.ExportProxyServiceRecord.access$0(ExportProxyServiceRecord.java:347)
  at org.eclipse.soda.sat.core.internal.record.ExportProxyServiceRecord$ExportedServiceInvocationHandler.invoke(ExportProxyServiceRecord.java:56)
    at com.sun.proxy.$Proxy1152.prepareAcceptCombinedUpdateReport(Unknown Source)
  at com.ibm.team.filesystem.service.internal.operations.CompareOperation.run(CompareOperation.java:88)
  at com.ibm.team.filesystem.service.internal.FilesystemServiceInternal.compareWorkspaces(FilesystemServiceInternal.java:894)
    at com.ibm.team.filesystem.service.internal.FilesystemService$22.run(FilesystemService.java:1000)
  at com.ibm.team.filesystem.service.internal.FilesystemService$22.run(FilesystemService.java:1)
 at com.ibm.team.repository.service.internal.PrimitiveTransactionService$3.run(PrimitiveTransactionService.java:162)
    at com.ibm.team.repository.service.internal.rdb.RepositoryDatabase$Transaction.run(RepositoryDatabase.java:567)
    at com.ibm.team.repository.service.internal.rdb.RepositoryDatabase$1.run(RepositoryDatabase.java:342)
  at com.ibm.team.repository.service.internal.rdb.ConnectionPoolService.withNewDeferredConnection(ConnectionPoolService.java:547)
    at com.ibm.team.repository.service.internal.rdb.ConnectionPoolService.withCurrentDeferredConnection(ConnectionPoolService.java:565)
    at sun.reflect.GeneratedMethodAccessor67.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
   at java.lang.reflect.Method.invoke(Method.java:611)
    at org.eclipse.soda.sat.core.internal.record.ExportProxyServiceRecord.invoke(ExportProxyServiceRecord.java:361)
    at org.eclipse.soda.sat.core.internal.record.ExportProxyServiceRecord.access$0(ExportProxyServiceRecord.java:347)
  at org.eclipse.soda.sat.core.internal.record.ExportProxyServiceRecord$ExportedServiceInvocationHandler.invoke(ExportProxyServiceRecord.java:56)
    at com.sun.proxy.$Proxy97.withCurrentDeferredConnection(Unknown Source)
    at com.ibm.team.repository.service.internal.rdb.RepositoryDatabase.runTransaction(RepositoryDatabase.java:339)
 at com.ibm.team.repository.service.internal.rdb.RepositoryDatabase.runInTransaction(RepositoryDatabase.java:288)
   at com.ibm.team.repository.service.internal.PrimitiveTransactionService.runInTransaction(PrimitiveTransactionService.java:96)
  at com.ibm.team.repository.service.internal.PrimitiveTransactionService.runInTransaction(PrimitiveTransactionService.java:91)
  at sun.reflect.GeneratedMethodAccessor281.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
   at java.lang.reflect.Method.invoke(Method.java:611)
    at org.eclipse.soda.sat.core.internal.record.ExportProxyServiceRecord.invoke(ExportProxyServiceRecord.java:361)
    at org.eclipse.soda.sat.core.internal.record.ExportProxyServiceRecord.access$0(ExportProxyServiceRecord.java:347)
  at org.eclipse.soda.sat.core.internal.record.ExportProxyServiceRecord$ExportedServiceInvocationHandler.invoke(ExportProxyServiceRecord.java:56)
    at com.sun.proxy.$Proxy141.runInTransaction(Unknown Source)
    at com.ibm.team.repository.service.AbstractService.runInTransaction(AbstractService.java:1007)
 at com.ibm.team.filesystem.service.internal.FilesystemService.compareWorkspaces(FilesystemService.java:996)
    at sun.reflect.GeneratedMethodAccessor485.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
   at java.lang.reflect.Method.invoke(Method.java:611)
    at org.eclipse.soda.sat.core.internal.record.ExportProxyServiceRecord.invoke(ExportProxyServiceRecord.java:361)
    at org.eclipse.soda.sat.core.internal.record.ExportProxyServiceRecord.access$0(ExportProxyServiceRecord.java:347)
  at org.eclipse.soda.sat.core.internal.record.ExportProxyServiceRecord$ExportedServiceInvocationHandler.invoke(ExportProxyServiceRecord.java:56)
    at com.sun.proxy.$Proxy1178.compareWorkspaces(Unknown Source)
  at sun.reflect.GeneratedMethodAccessor485.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
   at java.lang.reflect.Method.invoke(Method.java:611)
    at com.ibm.team.repository.servlet.AbstractTeamServerServlet.handleMethod(AbstractTeamServerServlet.java:1469)
 at com.ibm.team.repository.servlet.AbstractTeamServerServlet.executeMethod(AbstractTeamServerServlet.java:1022)
    at com.ibm.team.repository.servlet.AbstractTeamServerServlet.doPost(AbstractTeamServerServlet.java:787)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:646)
    at com.ibm.team.repository.servlet.AbstractTeamServerServlet.handleRequest2(AbstractTeamServerServlet.java:2474)
   at com.ibm.team.repository.servlet.AbstractTeamServerServlet.handleRequest(AbstractTeamServerServlet.java:2256)
    at com.ibm.team.repository.servlet.AbstractTeamServerServlet.access$0(AbstractTeamServerServlet.java:2241)
 at com.ibm.team.repository.servlet.AbstractTeamServerServlet$1.service(AbstractTeamServerServlet.java:244)
 at com.ibm.team.repository.internal.service.auth.impl.JAuthHandler$1.run(JAuthHandler.java:109)
    at com.ibm.team.repository.servlet.AbstractTeamServerServlet.handleAuthentication(AbstractTeamServerServlet.java:1959)
 at com.ibm.team.repository.servlet.AbstractTeamServerServlet.service(AbstractTeamServerServlet.java:1747)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
    at org.eclipse.equinox.http.registry.internal.ServletManager$ServletWrapper.service(ServletManager.java:180)
   at org.eclipse.equinox.http.servlet.internal.ServletRegistration.service(ServletRegistration.java:61)
  at org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:126)
  at org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:76)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
    at org.eclipse.equinox.servletbridge.BridgeServlet.service(BridgeServlet.java:120)
 at com.ibm.team.repository.server.servletbridge.JazzServlet.service(JazzServlet.java:74)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
   at com.ibm.team.repository.server.servletbridge.BridgeFilter.processDelegate(BridgeFilter.java:165)
    at com.ibm.team.repository.server.servletbridge.BridgeFilter.doFilter(BridgeFilter.java:198)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
   at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
 at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:610)
  at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
   at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
   at org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:339)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
   at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
 at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)
 at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
 at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:314)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:949)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:973)
 at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
  at java.lang.Thread.run(Thread.java:767)
        

Looking at line 203 of class com.ibm.team.scm.common.internal.ConfigUtil, where method tableForItems is throwing exception, we see the following Dev Team comment:

Thanks in advance.

Cheers.