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2012-11-18 21:36:36 -0600	received badge	● Famous Question (source)
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2011-10-17 07:17:08 -0600	marked best answer	Error when loading knowrob: java does not exist Hi, have you installed all system dependencies? (execute the apt-get command generated by 'rosdep satisfy knowrob'). It sounds like Java is not correctly installed on your system. After this, try a 'rosmake --pre-clean knowrob' If that does not help, some information about your setup would help (Java JDK type and version, OS version, which command produces this error etc). thanks, Moritz
2011-10-04 22:09:22 -0600	asked a question	Error when loading knowrob: java does not exist Hello All, I have some errors when loading the knowrob like this message "ERROR: /opt/ros/diamondback/stacks/knowrob/semweb/prolog/init.pl:22: '$open_shared_object'/3: libjava.so: cannot open shared object file: No such file or directory ERROR: /opt/ros/diamondback/stacks/knowrob/semweb/prolog/init.pl:22: /opt/ros/diamondback/stacks/knowrob/3rdparty/jpl/prolog/jpl.pl:4643: Initialization goal raised exception: library `java' does not exist (Please add directory holding libjava.so to $LD_LIBRARY_PATH) ERROR: /opt/ros/diamondback/stacks/knowrob/semweb/prolog/init.pl:23: jpl:jpl_set_default_jvm_opts/1: Undefined procedure: jpl:jni_set_default_jvm_opts/2 Warning: /opt/ros/diamondback/stacks/knowrob/semweb/prolog/init.pl:23: Goal (directive) failed: user:jpl_set_default_jvm_opts([-Xmx256M])" Please if you can help me to solve these errors. Thanks Ahmed
2011-10-03 23:13:40 -0600	asked a question	visualisation_canvas(C). ERROR: Unhandled exception: jpl:jFindClass/2: Undefined procedure: jpl:jni_func/3 visualisation_canvas(C). ERROR: Unhandled exception: jpl:jFindClass/2: Undefined procedure: jpl:jni_func/3