Hi,
I created an EquivalenceLink by passing an upstream WTPart (original) and a downstream WTPart (copy). The two parts are valid and already stored in the database. When I tried to save it, it showed an error.
Here is the code.
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EquivalenceLink newLink = EquivalenceLink.newEquivalenceLink(original, copy);
PersistenceHelper.manager.store(newLink); // Error occurs there
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Here is the error message
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ERROR : wt.method.MethodContextMonitor.contexts.rmi wcadmin - 2024-02-22 13:54:19.202 +0900, -camsbqzd5;lswr0uex;13464;kyeh5p;1, -, -, -, wcadmin, 172.24.163.107, com.acme.APIs.BomTransformHelper$Server, remoteDuplicatePart, , 0, 102, 0.2574459, 44, 0.2534846, 1.15625, 1.5911344 wt.util.WTException: java.lang.NullPointerException
Nested exception: java.lang.NullPointerException
at wt.associativity.StandardBomService$DataAccess.findAllLinksWithMatchingEquivalenceIdentifier(StandardBomService.java:5153)
at wt.associativity.StandardBomService.populateEquivalenceIdentifier(StandardBomService.java:3176)
at wt.associativity.StandardBomService$2.notifyVetoableMultiObjectEvent(StandardBomService.java:2508)
at wt.events.StandardKeyedEventBranch.intDispatchEvent(StandardKeyedEventBranch.java:306)
at wt.events.StandardKeyedEventBranch.dispatchVetoableEvent(StandardKeyedEventBranch.java:255)
at wt.events.StandardKeyedEventDispatcher.intDispatchEvent(StandardKeyedEventDispatcher.java:304)
at wt.events.StandardKeyedEventDispatcher.dispatchVetoableEvent(StandardKeyedEventDispatcher.java:228)
at wt.services.StandardManagerService.intDispatchVetoableEvent(StandardManagerService.java:410)
at wt.services.StandardManagerService.dispatchVetoableEvent(StandardManagerService.java:303)
at wt.fc.StandardPersistenceManager.dispatchVetoableEvent(StandardPersistenceManager.java:2972)
at wt.fc.StandardPersistenceManager.dispatchVetoableEvent(StandardPersistenceManager.java:2952)
at wt.fc.StandardPersistenceManager.store(StandardPersistenceManager.java:1429)
at wt.fc.StandardPersistenceManager.store(StandardPersistenceManager.java:534)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at wt.services.ServiceFactory$ServerInvocationHandler.invoke(ServiceFactory.java:399)
at com.sun.proxy.$Proxy27.store(Unknown Source)
at com.acme.APIs.BomTransformHelper$Server.remoteDuplicatePart(BomTransformHelper.java:112)
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I also tried "PersistenceHelper.manager.save()", and it gives me the same error.
Does someone know the reason of this error? Thank you.
