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Support Article

Work objects in tenants display to be saved in an error state

SA-96162

Summary



User opens the work objects with attachments. However, the attachments do not display. Error occurs on editing the work objects. The work objects in tenants display to be saved in an error state. The issue occurs in the Multi-tenant environment on Pega 8.3.1.


Error Messages

NullPointerException

at com.pega.platform.executionengine.vtable.value.internal.LeafClassResolver.lambda$createLeafClassResolvedList$1(LeafClassResolver.java:34) at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:174) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499) at com.pega.platform.executionengine.vtable.value.internal.LeafClassResolver.createLeafClassResolvedList(LeafClassResolver.java:37) at com.pega.platform.executionengine.vtable.value.internal.LeafClassResolver.lambda$resolve$0(LeafClassResolver.java:29) at com.pega.platform.executionengine.vtable.value.internal.LeafClassResolver.resolve(LeafClassResolver.java:28) at com.pega.platform.executionengine.vtable.value.internal.ExpressionsRuleResolver.doesExpressionExist(ExpressionsRuleResolver.java:58) at com.pega.platform.executionengine.vtable.value.internal.ExpressionsVirtualTableCandidatesGroupImpl.doesExpressionExist(ExpressionsVirtualTableCandidatesGroupImpl.java:148) at com.pega.platform.executionengine.declare.autochain.internal.DeclarativeCacheImpl.getExpressionEvaluator(DeclarativeCacheImpl.java:61) at com.pega.platform.clipboard.property.feature.page.internal.PageAutoChainingFeature.hasValidExpressionCalculator(PageAutoChainingFeature.java:68) at


Steps to Reproduce

Create a work object in a tenant.


Root Cause



A defect in Pegasystems’ code or rules. NullPointerException occurs while building a declare expression cache entry for a property. The class on which the expression is defined is not in tenant. However, an entry is built for it using the tenant. This is because the cache is not MT aware and it builds entries for all the candidates.

Resolution

This issue was reported as a bug to be remediated in Pega 8.3.2 patch release.


 

Suggest Edit

Published January 17, 2020 - Updated December 2, 2021

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