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Bug
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Resolution: Fixed
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Critical
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Jenkins 1.532.2
Jira Plugin 2.0
We use the 2.0 Jira Plugin to add comments to Jiras. We have the problem that every such request causes a Thread Leak - see the "diff" output of "jstack" below.
Seems that this is caused by using JiraSite.createSession instead of getSession() in Updater class. Changing it to getSession worked for me.
Mind that I havent yet tested for the "// TODO: we should check for session timeout, too" in JiraSite.
Output of the thread-list diff - we can see many additional "httpclient-" threads
glangs@cgm-1194:/opt/docker_volumes/jenkins3$ diff *tid 1c1,20 < "httpclient-callbacks:thread-1" daemon prio=10 tid=0x0000000000c83800 nid=0x5364 waiting on condition [0x00007ff7a73f2000] --- > "RequestHandlerThread[#12]" daemon prio=10 tid=0x00007ff7a800b800 nid=0x53c2 waiting on condition [0x00007ff7a67e6000] > "httpclient-callbacks:thread-1" daemon prio=10 tid=0x0000000000bf6000 nid=0x53c0 waiting on condition [0x00007ff7a68e7000] > "httpclient-io:thread-10" daemon prio=10 tid=0x0000000000ae8800 nid=0x53bf runnable [0x00007ff7a69e8000] > "httpclient-io:thread-9" daemon prio=10 tid=0x0000000000913000 nid=0x53be runnable [0x00007ff7a6ae9000] > "httpclient-io:thread-8" daemon prio=10 tid=0x0000000000910800 nid=0x53bd runnable [0x00007ff7a6bea000] > "httpclient-io:thread-7" daemon prio=10 tid=0x000000000090e800 nid=0x53bc runnable [0x00007ff7a6ceb000] > "httpclient-io:thread-6" daemon prio=10 tid=0x000000000090d000 nid=0x53bb runnable [0x00007ff7a6dec000] > "httpclient-io:thread-5" daemon prio=10 tid=0x0000000000909800 nid=0x53ba runnable [0x00007ff7a6eed000] > "httpclient-io:thread-4" daemon prio=10 tid=0x0000000000908000 nid=0x53b9 runnable [0x00007ff7a6fee000] > "httpclient-io:thread-3" daemon prio=10 tid=0x0000000000904800 nid=0x53b6 runnable [0x00007ff7a70ef000] > "httpclient-io:thread-2" daemon prio=10 tid=0x0000000000906800 nid=0x53b5 runnable [0x00007ff7a71f0000] > "httpclient-io:thread-1" daemon prio=10 tid=0x0000000000967000 nid=0x53b4 runnable [0x00007ff7a72f1000] > "httpclient-req-killer" prio=10 tid=0x00007ff7d80d8000 nid=0x53b3 waiting on condition [0x00007ff7ac122000] > "Thread-333" prio=10 tid=0x00007ff7d837c000 nid=0x53ae runnable [0x00007ff7a7cfb000] > "Jenkins-Remoting-Thread-312" daemon prio=10 tid=0x000000000098d000 nid=0x53ad waiting on condition [0x00007ff7a73f2000] > "Jenkins-Remoting-Thread-311" daemon prio=10 tid=0x0000000000c83800 nid=0x53ac waiting on condition [0x00007ff7a7ffe000] > "Jenkins-Remoting-Thread-310" daemon prio=10 tid=0x0000000000986800 nid=0x53ab waiting on condition [0x00007ff7a7dfc000] > "Jenkins-Remoting-Thread-309" daemon prio=10 tid=0x00007ff7b807a800 nid=0x53aa waiting on condition [0x00007ff7a7bfa000] > "process reaper" daemon prio=10 tid=0x00007ff7d8075000 nid=0x53a2 waiting on condition [0x00007ff7acc74000] > "pool-16-thread-375" daemon prio=10 tid=0x0000000000de9000 nid=0x5399 waiting on condition [0x00007ff7ae1e1000] 14,17d32 < "RequestHandlerThread[#11]" daemon prio=10 tid=0x00007ff7a800b800 nid=0x5355 waiting on condition [0x00007ff7ae1e1000] < "Jenkins-Remoting-Thread-308" daemon prio=10 tid=0x0000000000986800 nid=0x5352 waiting on condition [0x00007ff7a7bfa000] < "Jenkins-Remoting-Thread-307" daemon prio=10 tid=0x0000000000967800 nid=0x5351 waiting on condition [0x00007ff7a7cfb000] < "Jenkins-Remoting-Thread-306" daemon prio=10 tid=0x000000000098d000 nid=0x5350 waiting on condition [0x00007ff7a7dfc000] 19d33 < "process reaper" daemon prio=10 tid=0x0000000000de9000 nid=0x5339 waiting on condition [0x00007ff7acc74000] 21d34 < "Jenkins-Remoting-Thread-305" daemon prio=10 tid=0x00007ff7bcb79800 nid=0x5332 waiting on condition [0x00007ff7a7ffe000] 23d35 < "pool-16-thread-372" daemon prio=10 tid=0x00007ff7d8056000 nid=0x52b6 waiting on condition [0x00007ff7ac122000] glangs@cgm-1194:/opt/docker_volumes/jenkins3$
