WinDU failing for 2 tasks-"Verifies the Internet Domain" and "Invalid LDAP Entries".

WinDU is failing for the following tasks on Windchill PDMlink 10.2 M030 installed on Linux system.

-Verifies the Internet Domain

-Invalid Ldap Entries

Could you please let me know how to resolve these issues.

VerifySourceInternetDomain.log

Error in method server code:

java.lang.Exception: Exception of type 'java.lang.reflect.InvocationTargetException' was generated on the server with message 'null'

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:606)

at com.ptc.windchill.upgrade.updates.directives.MigratorMethod.invoke(MigratorMethod.java:131)

at com.ptc.windchill.upgrade.updates.directives.LightWeightServiceDirective$Server.invokeLightWeightServiceApi(LightWeightServiceDirective.java:635)

at sun.reflect.GeneratedMethodAccessor1025.invoke(null)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:606)

at wt.method.MethodResultWriter.writeExternal(MethodResultWriter.java:152)

at wt.method.MethodResult.writeExternal(MethodResult.java:226)

at java.io.ObjectOutputStream.writeExternalData(ObjectOutputStream.java:1455)

at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1429)

at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177)

at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:347)

at sun.rmi.server.UnicastRef.marshalValue(UnicastRef.java:293)

at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:332)

at sun.rmi.transport.Transport$1.run(Transport.java:177)

at sun.rmi.transport.Transport$1.run(Transport.java:174)

at java.security.AccessController.doPrivileged(Native Method)

at sun.rmi.transport.Transport.serviceCall(Transport.java:173)

at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:556)

at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:811)

at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:670)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)

at java.lang.Thread.run(Thread.java:745)

Task failed.

com.ptc.windchill.upgrade.updates.UpdateExecutionException: Error executing IncrementalUpdate Verifies the Internet Domain (#VerifySourceInternetDomain)

Nested exception is: (com.ptc.windchill.upgrade.updates.directives.directivesResource/39) com.ptc.windchill.upgrade.updates.DirectiveExecutionException: Method server code wt.org.VerifySourceInternetDomain.runDiagnosticTask failed. See nested exception for details

Nested exception is: wt.util.WTException: wt.method.MethodResultException: *ERROR* Server side Exception has occured: See MethodServer log for details

Nested exception is: wt.method.MethodResultException: *ERROR* Server side Exception has occured: See MethodServer log for details

at com.ptc.windchill.upgrade.updates.directives.LightWeightServiceDirective$Server.invokeLightWeightServiceApi(LightWeightServiceDirective.java:677)

at sun.reflect.GeneratedMethodAccessor1025.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:606)

InvalidLdapEntries.log