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Unable to access Pega environment using DB2 on Linux



Unable to access Pega environment using DB2 database on Linux.

Error Messages Failed to compile generated Java com.pegarules.generated.activity.ra_action_activitystatusexceptionhandler_c9955ec1409d0386e620c73b1df03d11: ----------
1. ERROR in com/pegarules/generated/activity/ (at line 1)
package com.pegarules.generated.activity;
The type java.util.Map$Entry cannot be resolved. It is indirectly referenced from required .class files
1 problem (1 error)
at com.pega.pegarules.generation.internal.assembly.VirtualRuleBuilder.rebuildVirtualRuleImplementation(
at com.pega.pegarules.generation.internal.assembly.VirtualRuleBuilder.buildVirtualRuleImplementation(
at com.pega.pegarules.generation.internal.PRGenProviderImpl.buildVirtualRuleImplementation(
at com.pega.pegarules.generation.internal.vtable.VirtualRuleTableDispatchImpl.findOrAssembleConstructor(


Error compiling: com/pegarules/generated/pega_procom_acceleratorutils; see class's compile log file.

Error compiling: com/pegarules/generated/pega_rules_activity; see class's compile log file.

Steps to Reproduce

Configure Pega 7.1.5 to use Java 1.8 and start the server.

Root Cause

An incorrect Java version was used.

IBM Java SE 8 is only supported on WebSphere version and later for Pega versions 7.1.9, 7.2, and 7.2.1.

For more information,
refer to the Platform Support Guide:


Make the following change to the operating environment:

Change the Websphere Java version to 1.7 and start the server.


Published July 23, 2018 - Updated October 8, 2020

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