linux - oracle coherence segmentation fault -

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i installed oracle coherence 3.6 on rhel 5.5. when execute cache-server.sh lot of gc warnings allocating large blocks , fails segmentation fault. suggestions? here stack:

gc warning: repeated allocation of large block (appr. size 1024000):         may lead memory leak , poor performance. gc warning: repeated allocation of large block (appr. size 1024000):         may lead memory leak , poor performance. ./bin/cache-server.sh: line 24:  6142 segmentation fault      $javaexec -server -showversion $java_opts -cp "$coherence_home/lib/coherence.jar" com.tangosol.net.defaultcacheserver $1 [root@localhost coherence_3.6]# swapon -s filename                                type            size    used    priority /dev/mapper/volgroup00-logvol01         partition       2097144 0       -1 [root@localhost coherence_3.6]# free              total       used       free     shared    buffers     cached mem:       3631880     662792    2969088          0     142636     353244 -/+ buffers/cache:     166912    3464968 swap:      2097144          0    2097144 [root@localhost coherence_3.6]# df -h filesystem            size  used avail use% mounted on /dev/mapper/volgroup00-logvol00                       147g  6.7g  133g   5% / /dev/sda1              99m   12m   82m  13% /boot tmpfs                 1.8g     0  1.8g   0% /dev/shm /dev/hdb              2.8g  2.8g     0 100% /media/rhel_5.5 source /dev/hda               57m   57m     0 100% /media/vboxadditions_4.2.16_86992 [root@localhost coherence_3.6]#

i haven't seen issue before, start, i'd suggest following:

  • check linux updates. jvms example try use large pages, , there have been bugs in rh related large pages fixed in latest versions.

  • download latest java 7 jdk. while no jdk entirely bug-free, have done extensive testing jdk 7 patch levels 15, 21 , 40.

  • download latest version of coherence. coherence 12.1.2 out, if don't want go latest, coherence 3.7.1 suggested version. (the release after 3.7.1 called 12.1.2. align oracle versioning.)


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