relation editor freeze with openjdk-7

[kozlik@…]

I am experiencing issues when I run JOSM with openjdk-7. When I open relation editor and select some element in the map, the relation editor freeze. It does not react on mouse clicks. It only could be closed by clicking the 'X' in widow title.

I tested three versions of JOSM: 6891, 7000 and 7105. The bug is in all of these versions when using openjdk-7. But the 6891 and 7000 works fine with openjdk-6.

My java version is:

java version "1.7.0_55"
OpenJDK Runtime Environment (IcedTea 2.4.7) (7u55-2.4.7-1ubuntu1~0.12.04.2)
OpenJDK 64-Bit Server VM (build 24.51-b03, mixed mode)

This bug looks similar as bug #9772, but I do not run Xfce. My desktop environment is KDE with kwin window manager.

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Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2014-04-25 17:49:40
Last Changed Author: Don-vip
Revision: 7000
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2014-04-25 19:46:38 +0200 (Fri, 25 Apr 2014)
Last Changed Rev: 7000

Identification: JOSM/1.5 (7000 cs) Linux Ubuntu 12.04.4 LTS
Memory Usage: 135 MB / 1086 MB (70 MB allocated, but free)
Java version: 1.7.0_55, Oracle Corporation, OpenJDK 64-Bit Server VM
Java package: openjdk-7-jre:amd64-7u55-2.4.7-1ubuntu1~0.12.04.2
VM arguments: [-Djosm.restart=true, -Djava.net.useSystemProxies=true]

Plugin: contourmerge (1010)
Plugin: routes (30413)

[skyper]

Closed as duplicate of #9135.