How to debug "String index out of range: -1" exception ?

Solution Unverified - Updated -

Issue

  • Users often get the following error/exception when they try to build a project containing process-definition file. How to debug this kind of issue?
...
2015-02-14 21:42:00,586 [http-apr-8080-exec-4] ERROR String index out of range:
-1
java.lang.StringIndexOutOfBoundsException: String index out of range: -1
        at java.lang.String.substring(String.java:1911) ~[na:1.7.0_71]
        at org.guvnor.common.services.builder.Builder.getBaseFileName(Builder.ja
va:689) ~[guvnor-project-builder-6.1.0.Final.jar:6.1.0.Final]
        at org.guvnor.common.services.builder.Builder.visitPaths(Builder.java:55
4) ~[guvnor-project-builder-6.1.0.Final.jar:6.1.0.Final]
...

Environment

  • Red Hat JBoss BPM Suite (BPMS)
    • 6.0.x

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