问题描述
我已经在Ubuntu 18.04 LTS上安装了Nexus信息库3，并且可以正常工作，除了它使用jar_cache软件包的巨大文件描述符保持生成进程。 Nexus用户几乎消耗掉了所有内存。
lsof | grep deleted
java 25189 nexus 274r REG 8,1 168119 2586774 /data/nexus/tmp/jar_cache7208625739217484334.tmp (deleted)
java 25189 nexus 275r REG 8,1 212164 2586775 /data/nexus/tmp/jar_cache462451415006799037.tmp (deleted)
java 25189 nexus 382r REG 8,1 1061044 2587366 /data/nexus/tmp/jar_cache6165149551453976210.tmp (deleted)
java 25189 nexus 383r REG 8,1 148176 2587367 /data/nexus/tmp/jar_cache751007135540811314.tmp (deleted)
quartz-7- 25189 686 nexus 274r REG 8,1 168119 2586774 /data/nexus/tmp/jar_cache7208625739217484334.tmp (deleted)
quartz-7- 25189 686 nexus 275r REG 8,1 212164 2586775 /data/nexus/tmp/jar_cache462451415006799037.tmp (deleted)
quartz-7- 25189 686 nexus 382r REG 8,1 1061044 2587366 /data/nexus/tmp/jar_cache6165149551453976210.tmp (deleted)
elasticse 25189 25360 nexus 383r REG 8,1 148176 2587367 /data/nexus/tmp/jar_cache751007135540811314.tmp (deleted)
elasticse 25189 25360 nexus 384r REG 8,1 1012761 2587368 /data/nexus/tmp/jar_cache3471292813592489580.tmp (deleted)
elasticse 25189 25360 nexus 385r REG 8,1 592237 2587369 /data/nexus/tmp/jar_cache601982945780052716.tmp (deleted)
elasticse 25189 25360 nexus 386r REG 8,1 565410 2587370 /data/nexus/tmp/jar_cache2853120646898296069.tmp (deleted)
elasticse 25189 25360 nexus 387r REG 8,1 27585 2587371 /data/nexus/tmp/jar_cache6330732713641440746.tmp (deleted)
elasticse 25189 25362 nexus 386r REG 8,1 565410 2587370 /data/nexus/tmp/jar_cache2853120646898296069.tmp (deleted)
blobstore 25189 25373 nexus 274r REG 8,1 168119 2586774 /data/nexus/tmp/jar_cache7208625739217484334.tmp (deleted)
blobstore 25189 25373 nexus 275r REG 8,1 212164 2586775 /data/nexus/tmp/jar_cache462451415006799037.tmp (deleted)
blobstore 25189 25373 nexus 382r REG 8,1 1061044 2587366 /data/nexus/tmp/jar_cache6165149551453976210.tmp (deleted)
blobstore 25189 25373 nexus 383r REG 8,1 148176 2587367 /data/nexus/tmp/jar_cache751007135540811314.tmp (deleted)
blobstore 25189 25373 nexus 384r REG 8,1 1012761 2587368 /data/nexus/tmp/jar_cache3471292813592489580.tmp (deleted)
blobstore 25189 25373 nexus 385r REG 8,1 592237 2587369 /data/nexus/tmp/jar_cache601982945780052716.tmp (deleted)
blobstore 25189 25373 nexus 386r REG 8,1 565410 2587370 /data/nexus/tmp/jar_cache2853120646898296069.tmp (deleted)
nexus_Qua 25189 25375 nexus 274r REG 8,1 168119 2586774 /data/nexus/tmp/jar_cache7208625739217484334.tmp (deleted)
nexus_Qua 25189 25375 nexus 275r REG 8,1 212164 2586775 /data/nexus/tmp/jar_cache462451415006799037.tmp (deleted)
nexus_Qua 25189 25375 nexus 382r REG 8,1 1061044 2587366 /data/nexus/tmp/jar_cache6165149551453976210.tmp (deleted)
nexus_Qua 25189 25375 nexus 383r REG 8,1 148176 2587367 /data/nexus/tmp/jar_cache751007135540811314.tmp (deleted)
nexus_Qua 25189 25375 nexus 384r REG 8,1 1012761 2587368 /data/nexus/tmp/jar_cache3471292813592489580.tmp (deleted)
nexus_Qua 25189 25375 nexus 385r REG 8,1 592237 2587369 /data/nexus/tmp/jar_cache601982945780052716.tmp (deleted)
status-de 25189 25376 nexus 383r REG 8,1 148176 2587367 /data/nexus/tmp/jar_cache751007135540811314.tmp (deleted)
status-de 25189 25376 nexus 384r REG 8,1 1012761 2587368 /data/nexus/tmp/jar_cache3471292813592489580.tmp (deleted)
status-de 25189 25376 nexus 385r REG 8,1 592237 2587369 /data/nexus/tmp/jar_cache601982945780052716.tmp (deleted)
quartz-7- 25189 25384 nexus 274r REG 8,1 168119 2586774 /data/nexus/tmp/jar_cache7208625739217484334.tmp (deleted)
quartz-7- 25189 25384 nexus 275r REG 8,1 212164 2586775 /data/nexus/tmp/jar_cache462451415006799037.tmp (deleted)
quartz-7- 25189 25384 nexus 382r REG 8,1 1061044 2587366 /data/nexus/tmp/jar_cache6165149551453976210.tmp (deleted)
task-logg 25189 25385 nexus 274r REG 8,1 168119 2586774 /data/nexus/tmp/jar_cache7208625739217484334.tmp (deleted)
task-logg 25189 25385 nexus 275r REG 8,1 212164 2586775 /data/nexus/tmp/jar_cache462451415006799037.tmp (deleted)
task-logg 25189 25385 nexus 382r REG 8,1 1061044 2587366 /data/nexus/tmp/jar_cache6165149551453976210.tmp (deleted)
search-se 25189 25386 nexus 382r REG 8,1 1061044 2587366 /data/nexus/tmp/jar_cache6165149551453976210.tmp (deleted)
search-se 25189 25386 nexus 383r REG 8,1 148176 2587367 /data/nexus/tmp/jar_cache751007135540811314.tmp (deleted)
search-se 25189 25386 nexus 384r REG 8,1 1012761 2587368 /data/nexus/tmp/jar_cache3471292813592489580.tmp (deleted)
nexus.vmoptions中的配置
-xms2703m
-Xmx2703m
-XX:MaxDirectMemorySize=2703m
-XX:+UnlockDiagnosticVMOptions
-XX:+LogVMOutput
#-XX:LogFile=../sonatype-work/nexus3/log/jvm.log
-XX:-OmitStackTraceInFastThrow
-Djava.net.preferIPv4Stack=true
-Dkaraf.home=.
-Dkaraf.base=.
-Dkaraf.etc=etc/karaf
-Djava.util.logging.config.file=etc/karaf/java.util.logging.properties
#-Dkaraf.data=../sonatype-work/nexus3
#-Dkaraf.log=../sonatype-work/nexus3/log
#-Djava.io.tmpdir=../sonatype-work/nexus3/tmp
-Dkaraf.startLocalConsole=false
-Dkaraf.data=/data/nexus/nexus-data
-Djava.io.tmpdir=/data/nexus/tmp
-XX:LogFile=/var/log/nexus/jvm.log
-Dkaraf.log=/var/log/nexus/log
#
# additional vmoptions needed for Java9+
#
# --add-reads=java.xml=java.logging
# --add-exports=java.base/org.apache.karaf.specs.locator=java.xml,ALL-UNNAMED
# --patch-module=java.base=lib/endorsed/org.apache.karaf.specs.locator-4.2.9.jar
# --patch-module=java.xml=lib/endorsed/org.apache.karaf.specs.java.xml-4.2.9.jar
# --add-opens=java.base/java.security=ALL-UNNAMED
# --add-opens=java.base/java.net=ALL-UNNAMED
# --add-opens=java.base/java.lang=ALL-UNNAMED
# --add-opens=java.base/java.util=ALL-UNNAMED
# --add-opens=java.naming/javax.naming.spi=ALL-UNNAMED
# --add-opens=java.rmi/sun.rmi.transport.tcp=ALL-UNNAMED
# --add-exports=java.base/sun.net.www.protocol.http=ALL-UNNAMED
# --add-exports=java.base/sun.net.www.protocol.https=ALL-UNNAMED
# --add-exports=java.base/sun.net.www.protocol.jar=ALL-UNNAMED
# --add-exports=jdk.xml.dom/org.w3c.dom.html=ALL-UNNAMED
# --add-exports=jdk.naming.rmi/com.sun.jndi.url.rmi=ALL-UNNAMED
#
# comment out this vmoption when using Java9+
#
-Djava.endorsed.dirs=lib/endorsed
我不知道为什么Nexus会产生这种过程。我尝试过kill -9 25189，但它总是会重新创建。
还尝试删除/ tmp目录，更改/ tmp位置也得到相同的结果。
解决方法
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