j-thread-watchdog

jThreadWatchDog is simple tool for detect and log longly blocked threads in Java programs. Sometimes, in complex systems goes threads to crazy synchronization dependencies that make whole system slow and unusable... Produced log: 23.03.2011 22:40:15 - thread 8 "PoorThread" is blocked more than 5155ms! "PoorThread" Id=8 BLOCKED on java.lang.Object@51a19458 owned by "main" Id=1 at cz.karry.jtw.tests.LockedThreads$1.run(LockedThreads.java:20) - blocked on java.lang.Object@51a19458 at java.lang.Thread.run(Thread.java:619) blocked by: "main" Id=1 TIMED_WAITING on java.lang.Object@31b5998f at java.lang.Object.wait(Native Method) - waiting on java.lang.Object@31b5998f at cz.karry.jtw.tests.LockedThreads.main(LockedThreads.java:35) - locked java.lang.Object@51a19458

JThreadWatchDog
logs
build.xml
log4j_LICENSE.txt
src
runit.sh
cleanup.sh
build
nbproject
manifest.mf
dist
gpl-2.0.txt
stats
conf
test
jdk_LICENSE.txt