Npt Error Cannot Open Library

2012 Finding Just got a NPT ERROR: Cannot open library while starting Java application server GlassFish Open Source Edition 3.1.2.2 under FreeBSD 8.3 with OpenJDK 7 in --debug=true mode. java -version openjdk version "1.7.0_09" OpenJDK Runtime Environment (build 1.7.0_09-b05) OpenJDK 64-Bit Server VM (build 23.5-b02, mixed mode) When starting a domain in debug mode, options like the following are used on the JVM -agentlib:jdwp=transport=dt_socket,address=127.0.0.1:8000,server=y,suspend=n Under FreeBSD Java is missing a library and fails to start the domain. Solution Create a link to libnpt.so in $JAVA_HOME/jre/lib from /usr/local/lib: ln -s /usr/local/openjdk7/jre/lib/amd64/libnpt.so /usr/local/lib/libnpt.so HTH. Related PostsCannot Launch Java After Mountain Lion UpgradeJAX-WS 2.2 and Method Not FoundGlassFish, OS X and launchctlEditing a Commit Message in gitUsing Apache As Proxy For Java ApplicationsHTTP 503 While Parsing XML Share this:Click to email this to a friend (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)MoreClick to share on Tumblr (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Pocket (Opens in new window)Click to print (Opens in new window)Like this:Like Loading... Related This entry was posted in Software Development and tagged Java, Rescue Me. Bookmark the permalink. ← Replacing A Failed Disk Under FreeBSD httrack With SSL → Subscribe to Blog via Email Enter your email address to subscribe to this blog and receive notifications of new posts by email. Join 14 other subscribers Email Address TagsApple Arquillian Backup & Recovery Clojure Debian Linux Drupal Editor Emacs FreeBSD GEOM git Groovy gz

[ thread ] [ subject ] [ author ] >Number: 166844 >Category: java >Synopsis: openjdk7 can't open library when remote debug enabled >Confidential: no >Severity: non-critical >Priority: medium >Responsible: freebsd-java >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Apr 11 14:20:11 UTC 2012 >Closed-Date: https://blog.art-of-coding.eu/java-and-npt-library-not-found-error/ >Last-Modified: >Originator: Liang Xu >Release: FreeBSD8 >Organization: Sandvine Incorporated >Environment: FreeBSD TPC-C1-21.phaedrus.sandvine.com 8.82.0109-RELEASE-p5 FreeBSD 8.82.0109-RELEASE-p5 #111: Tue Feb 28 15:27:17 EST 2012 root at wtllab-bsdbuild-9.phaedrus.sandvine.com:/usr/obj/usr/src/sys/SPB amd64 >Description: We upgrade the openjdk on Freebsd8 from 6 to 7. Now when the remote debug is https://lists.freebsd.org/pipermail/freebsd-java/2012-April/009651.html enabled, the JVM can’t start and throw following errors: Apr 5 16:08:56 TPC-D16-14 appsrv[90192]: Apr 5 16:09:06 TPC-D16-14 appsrv[90192]: Launching a JVM... Apr 5 16:09:06 TPC-D16-14 appsrv[90192]: JVM exited while loading the application. Apr 5 16:09:06 TPC-D16-14 appsrv[90192]: NPT ERROR: Cannot open library It turns out to be on library no found by the JVM. Then, I find a workaround by creating a link under /usr/local/lib/ ln -s /usr/local/openjdk7/jre/lib/amd64/libnpt.so /usr/local/lib/libnpt.so Thanks. >How-To-Repeat: 1. Install openjdk7 ftp://ftp.freebsd.org/pub/FreeBSD/ports/amd64/packages-8-stable/java/openjdk-7.2.13.tbz 2. enable remote debug wrapper.java.additional.43=-agentlib:jdwp=transport=dt_socket,address=0.0.0.0:8000,server=y,suspend=n 3. java program fail to start >Fix: >Release-Note: >Audit-Trail: >Unformatted: Previous message: Java error in FreeBSD Next message: HONG LEONG BANK (Malaysia) Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] More information about the freebsd-java mailing list

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remote debugging to tomcat, as seen herehttp://wiki.apache.org/tomcat/FAQ/Developing#Q1 it is said to add thefollowing options to the JVM :-Xdebug -Xrunjdwp:transport=dt_socket,address=8000,server=y,suspend=nSo I have added to the rc.conftomcat7_enable="YES"tomcat7_java_opts="-XX:MaxPermSize=512m -Xdebug-Xrunjdwp:transport=dt_socket,address=8000,server=y,suspend=n"Note that the first option is only to prevent a PermGen out of spaceerror. With that setup, tomcat fails to starts with:/usr/local/etc/rc.d/tomcat7: WARNING: failed to start tomcat7And in the tomcat logs:NPT ERROR: Cannot open libraryService exit with a return value of 1I am using tomcat-7.0.34 on FreeBSD 9-STABLE amd64.Cheers, Ronald Klop 2013-01-22 15:03:11 UTC PermalinkRaw Message On Tue, 22 Jan 2013 07:49:50 +0100, David DemelierPost by David DemelierHello there,Sorry for cross posting, I'm not on the freebsd-java list.I would like to enable remote debugging to tomcat, as seen herehttp://wiki.apache.org/tomcat/FAQ/Developing#Q1 it is said to add the-Xdebug -Xrunjdwp:transport=dt_socket,address=8000,server=y,suspend=nSo I have added to the rc.conftomcat7_enable="YES"tomcat7_java_opts="-XX:MaxPermSize=512m -Xdebug-Xrunjdwp:transport=dt_socket,address=8000,server=y,suspend=n"Note that the first option is only to prevent a PermGen out of space/usr/local/etc/rc.d/tomcat7: WARNING: failed to start tomcat7NPT ERROR: Cannot open libraryService exit with a return value of 1I am using tomcat-7.0.34 on FreeBSD 9-STABLE amd64.Cheers,What java version are you using?Ronald. Valentin Popov 2013-01-22 15:06:23 UTC PermalinkRaw Message ln -s /usr/local/openjdk7/jre/lib/amd64/libnpt.so /usr/local/lib/libnpt.sohttp://forums.freebsd.org/showthread.php?t=32248Post by Ronald KlopPost by David DemelierHello there,Sorry for cross posting, I'm not on the freebsd-java list.I would like to enable remote debugging to tomcat, as seen herehttp://wiki.apache.org/tomcat/FAQ/Developing#Q1 it is said to add the-Xdebug -Xrunjdwp:transport=dt_socket,address=8000,server=y,suspend=nSo I have added to the rc.conftomcat7_enable="YES"tomcat7_java_opts="-XX:MaxPermSize=512m -Xdebug-Xrunjdwp:transport=dt_socket,address=8000,