Tools: Debugging Native and Java Code with WDB

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Tools for

Debugging

gdb

Starting Java from gdb: Modify wrap

• Problem: /opt/java1.3 directory not write-able

• Often hard to modify /opt/java1.3/bin/.java_wrapper

• Solution: copy the JDK and modify the copy

mkdir /tmp/java1.3

cp -r /opt/java1.3/bin /tmp/java1.3/bin

cp -r /opt/java1.3/lib /tmp/java1.3/lib

cp -r /opt/java1.3/jre /tmp/java1.3/jre

• Modify the .java_wrapper in /tmp/java1.3/bin