SAP Knowledge Base Article - Preview

1893454 - java.lang.NoClassDefFoundError

Symptom

  • ERROR: Server process failed to start due to:
    java.lang.NoClassDefFoundError: com/sap/bc/proj/jstartup/ThreadManagerCallback
    ,,at java.lang.Class.getDeclaredConstructors0(Native Method)
    ,,at java.lang.Class.privateGetDeclaredConstructors(Class.java:2389)
    ,,at java.lang.Class.getConstructor0(Class.java:2699)
    ,,at java.lang.Class.newInstance0(Class.java:326)
    ,,at java.lang.Class.newInstance(Class.java:308)
    ,,at com.sap.engine.core.Framework.loadSingleManager(Framework.java:622)
    ,,at com.sap.engine.core.Framework.loadManagers(Framework.java:404)
    ...

  • NW Java System is being upgraded to version 7.3x. During the downtime phase, J2EE Engine fails to start with above exception:

     


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Environment

SAP NetWeaver 7.3x

Product

SAP NetWeaver 7.3

Keywords

ThreadManagerCallback,SUM,exitcode ,exiting,netweaver,netweaver_java,aborts fails, crash,troubleshooting,Jcontrol profile , KBA , BC-JAS-SF , Startup Framework , BC-UPG-OCS-SPJ , Please use component BC-UPG-TLS-TLJ , Problem

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