https://community.splunk.com/t5/Splunk-AppDynamics/Appdynamics-agent-does-not-start-NoClassDefFoundError-org/m-p/719186#M1369 <P><SPAN>Currently, application agents are being installed on a Jboss server which, when the standalone.sh and standalone.conf file are being configured does not start the server and it presents the following error</SPAN></P><P><SPAN><SPAN class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ihopkpeofmhdgdih (1).png" style="width: 999px;"><span class="lia-inline-image-display-wrapper" image-alt="image.png"><img src="https://community.splunk.com/t5/image/serverpage/image-id/36332i638F31C99086195F/image-size/large?v=v2&amp;px=999" role="button" title="image.png" alt="image.png" /></span></SPAN></SPAN></P> Thu, 28 Nov 2019 15:57:00 GMT CommunityUser 2019-11-28T15:57:00Z https://community.splunk.com/t5/Splunk-AppDynamics/Appdynamics-agent-does-not-start-NoClassDefFoundError-org/m-p/719186#M1369 <P><SPAN>Currently, application agents are being installed on a Jboss server which, when the standalone.sh and standalone.conf file are being configured does not start the server and it presents the following error</SPAN></P><P><SPAN><SPAN class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ihopkpeofmhdgdih (1).png" style="width: 999px;"><span class="lia-inline-image-display-wrapper" image-alt="image.png"><img src="https://community.splunk.com/t5/image/serverpage/image-id/36332i638F31C99086195F/image-size/large?v=v2&amp;px=999" role="button" title="image.png" alt="image.png" /></span></SPAN></SPAN></P> Thu, 28 Nov 2019 15:57:00 GMT https://community.splunk.com/t5/Splunk-AppDynamics/Appdynamics-agent-does-not-start-NoClassDefFoundError-org/m-p/719186#M1369 CommunityUser 2019-11-28T15:57:00Z https://community.splunk.com/t5/Splunk-AppDynamics/Appdynamics-agent-does-not-start-NoClassDefFoundError-org/m-p/719187#M1370 <P><SPAN>Thanks for posting the question on the Community. </SPAN></P><P><SPAN>It seems that you need to initialize the JVM, to install the Java Agent on JBoss EAP or JBoss Wildfly, Run the following parameter: </SPAN></P><P><SPAN>JAVA_OPTS="$JAVA_OPTS -Djboss.modules.system.pkgs=org.jboss.byteman,com.singularity,org" </SPAN></P><P><SPAN>If you do not initialize the JVM, the installation throws a "class not found" exception. </SPAN></P><P>You can find the all installation process on the latest installation document: <A href="https://docs.appdynamics.com/display/PRO45/JBoss+and+Wildfly+Startup+Settings#JBossandWildflyStartupSettings-InitializetheJVM" target="_blank" rel="nofollow noopener noreferrer">https://docs.appdynamics.com/display/PRO45/JBoss+and+Wildfly+Startup+Settings#JBossandWildflyStartupSettings-InitializetheJVM</A></P><P>Let me know if this helped you.</P><P>Many thanks,</P><P>Mika</P> Thu, 06 Feb 2020 02:26:50 GMT https://community.splunk.com/t5/Splunk-AppDynamics/Appdynamics-agent-does-not-start-NoClassDefFoundError-org/m-p/719187#M1370 Mika_Sasaki1 2020-02-06T02:26:50Z https://community.splunk.com/t5/Splunk-AppDynamics/Appdynamics-agent-does-not-start-NoClassDefFoundError-org/m-p/719188#M1371 <P>Hello,</P><P>as I am a complete Wildfly n00b and I have never worked with Wildfly (I worked only with Tomcat till now) and now I need to instrument a Wildfly Application, what does the following instruction actually mean?</P><P>To install the Java Agent on JBoss EAP or JBoss Wildfly, you need to initialize the JVM. Run the following parameter:</P><DIV class="preformatted panel conf-macro output-block"><DIV class="preformattedContent panelContent"><PRE>JAVA_OPTS="$JAVA_OPTS -Djboss.modules.system.pkgs=org.jboss.byteman,com.singularity"</PRE></DIV></DIV><P>If you do not initialize the JVM, the installation throws a "class not found" exception.&nbsp;</P><P>Do I have to execute it in the command line or do I have to add this into the&nbsp;standalone.sh script? And how and where? <span class="lia-unicode-emoji" title=":slightly_smiling_face:">🙂</span></P><P>As I said, today is the first day, where I was confronted with Wildfly, but I need to instrument it with AppD for a customer, so sorry fo my b00n question <span class="lia-unicode-emoji" title=":slightly_smiling_face:">🙂</span></P> Fri, 19 Feb 2021 18:05:58 GMT https://community.splunk.com/t5/Splunk-AppDynamics/Appdynamics-agent-does-not-start-NoClassDefFoundError-org/m-p/719188#M1371 Igor_Bollmann 2021-02-19T18:05:58Z