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From Steven Dolg <>
Subject Compilation Problems on Jenkins
Date Mon, 08 Aug 2011 23:09:45 GMT
Hey guys,

as some might have seen, I crashed our Jenkins build about an hour ago:

type parameters of <T>T cannot be determined; no unique maximal instance 
exists for type variable T with upper bounds T,java.lang.Object

The funny thing is that neither my Eclipse nor Maven (3.0.1) detected 
the problem before I made the commit.
The real reason for this compilation failure is - I believe - a bug in 
the javac, documented here:

And indeed Jenkins is running on a Java version that is/would be 
affected by this one:

Java version: 1.6.0_20, vendor: Sun Microsystems Inc.
Java home: /home/jenkins/tools/java/jdk1.6.0_20-32/jre

while my local JDK is much newer (1.6.0_25) and contains the fix.

Should/can/must we try to get that upgraded? (1.6.0_26 is available already)


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