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https://issues.apache.org/jira/browse/IVY-1075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12710301#action_12710301
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Klaas Prause commented on IVY-1075:
-----------------------------------
I have a thread dump from the process:
Full thread dump Java HotSpot(TM) Client VM (11.0-b15 mixed mode, sharing):
"DestroyJavaVM" prio=10 tid=0xb4f99c00 nid=0x1a59 waiting on condition
[0x00000000..0xb7df0060]
java.lang.Thread.State: RUNNABLE
"Connect thread ivy session" prio=10 tid=0xb4f9cc00 nid=0x1a71 runnable
[0xb4bfe000..0xb4bfef20]
java.lang.Thread.State: RUNNABLE
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at com.jcraft.jsch.IO.getByte(IO.java:82)
at com.jcraft.jsch.Session.read(Session.java:809)
at com.jcraft.jsch.Session.run(Session.java:1193)
at java.lang.Thread.run(Thread.java:619)
"Low Memory Detector" daemon prio=10 tid=0xb5400c00 nid=0x1a5f runnable
[0x00000000..0x00000000]
java.lang.Thread.State: RUNNABLE
"CompilerThread0" daemon prio=10 tid=0x09818000 nid=0x1a5e waiting on condition
[0x00000000..0xb55e3a58]
java.lang.Thread.State: RUNNABLE
"Signal Dispatcher" daemon prio=10 tid=0x09816800 nid=0x1a5d waiting on
condition [0x00000000..0x00000000]
java.lang.Thread.State: RUNNABLE
"Finalizer" daemon prio=10 tid=0x09810400 nid=0x1a5c in Object.wait()
[0xb582b000..0xb582bea0]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x733313b0> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:116)
- locked <0x733313b0> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:132)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159)
"Reference Handler" daemon prio=10 tid=0x0980bc00 nid=0x1a5b in Object.wait()
[0xb592c000..0xb592ce20]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x73331438> (a java.lang.ref.Reference$Lock)
at java.lang.Object.wait(Object.java:485)
at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116)
- locked <0x73331438> (a java.lang.ref.Reference$Lock)
"VM Thread" prio=10 tid=0x0980a000 nid=0x1a5a runnable
"VM Periodic Task Thread" prio=10 tid=0xb5402c00 nid=0x1a60 waiting on
condition
JNI global references: 935
Heap
def new generation total 2112K, used 1964K [0x70c80000, 0x70ec0000,
0x732f0000)
eden space 1920K, 98% used [0x70c80000, 0x70e5ac68, 0x70e60000)
from space 192K, 34% used [0x70e60000, 0x70e706f0, 0x70e90000)
to space 192K, 0% used [0x70e90000, 0x70e90000, 0x70ec0000)
tenured generation total 27400K, used 16688K [0x732f0000, 0x74db2000,
0x90080000)
the space 27400K, 60% used [0x732f0000, 0x7433c338, 0x7433c400, 0x74db2000)
compacting perm gen total 21504K, used 21328K [0x90080000, 0x91580000,
0x94080000)
the space 21504K, 99% used [0x90080000, 0x91554200, 0x91554200, 0x91580000)
ro space 8192K, 74% used [0x94080000, 0x94673488, 0x94673600, 0x94880000)
rw space 12288K, 58% used [0x94880000, 0x94f8db20, 0x94f8dc00, 0x95480000)
> Publish with SSH (sftp or ssh) prevents enclosing java process to terminate
> ---------------------------------------------------------------------------
>
> Key: IVY-1075
> URL: https://issues.apache.org/jira/browse/IVY-1075
> Project: Ivy
> Issue Type: Bug
> Affects Versions: 2.1.0-RC1
> Environment: buildr 1.3.4 running on jruby 1.2.0 with latest
> jsch-0.1.41 jar
> Reporter: Klaas Prause
>
> We try to add ivy support to buildr. Buildr comes with an AntWrap gem to call
> Ant targets from within a buildr script:
> 1. using a standard publish via Antwrap using the same parameters that work
> in Ant
> 2. the publish works all artifacts are copied and the buildr script continues
> till its end, but the buildr java process does not terminate!
> when publishing to a local repository the process terminates fine, so it has
> something to do with the SSH connection.
> using lsof and checking the open file handles the process has an open
> connection to the repository via SSH and some other open sockets (lsof output
> for process):
> [...]
> java 23589 klaas 31u IPv6 342503 TCP
> brackel.local:43473->argon:ssh (ESTABLISHED)
> java 23589 klaas 32u sock 0,4 342501
> can't identify protocol
> java 23589 klaas 11u unix 0xf5744a80 342386
> socket
> [...]
> I checked out the source but could not find the problem. My best guess is
> that the last SSH connection is cached within SshCache and never disconnected
> from Ivy.
> This is a blocker to change from ANT to Buildr, because the build scripts do
> not terminate normally so they cannot be used in the integration server.
> We have the same problem with an hanging jruby script using Ivy not via Ant
> but via the Ivy class to resolve projects. The Ivy class is instantiated from
> within JRuby and used to resolve ivy.xmls to get some information about
> projects. The script does not terminate after a resolve against a remote
> repository using SSH has been done.
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