https://community.splunk.com/t5/Splunk-AppDynamics/Java-Agent-jar-not-getting-initialized-with-jdk17-docker/m-p/725938#M4992 <DIV>I'm already using<SPAN>&nbsp;</SPAN><STRONG>appdynamics/java-agent:latest&nbsp;</STRONG>docker image to push all our application logs to the appdynamics.</DIV><DIV>Our applications are running in kubernetes clusters and all the apps are in java 1.8 version.</DIV><DIV>&nbsp;</DIV><DIV>Now we are trying to migrate all our apps running in kubernetes to use java17.</DIV><DIV>So when we deploy we few errors related to appd java agent jar getting initialized and the logs are not getting pushed to appd.</DIV><DIV>&nbsp;</DIV><DIV>Error logs we see..</DIV><DIV><STRONG>Class with name [com.ibm.lang.management.internal.ExtendedOperatingSystemMXBeanImpl] is not available in classpath, so will ignore export access.</STRONG><BR /><STRONG>2023-07-05 23:49:32.685-04:00 ERROR i.o.javaagent.tooling.HelperInjector - Error preparing helpers while processing interface javax.servlet.Servlet for servlet. Failed to inject helper classes into instance com.singularity.ee.agent.appagent.kernel.classloader.Post19AgentClassLoader@10947c4e</STRONG><BR /><STRONG>java.lang.IllegalStateException: Error invoking (accessor)::defineClass</STRONG><BR /><STRONG>at net.bytebuddy.dynamic.loading.ClassInjector$UsingReflection$Dispatcher$UsingUnsafeInjection.defineClass(ClassInjector.java:1002)</STRONG><BR /><STRONG>at net.bytebuddy.dynamic.loading.ClassInjector$UsingReflection.injectRaw(ClassInjector.java:254)</STRONG><BR /><STRONG>at io.opentelemetry.javaagent.tooling.HelperInjector.injectClassLoader(HelperInjector.java:247)</STRONG></DIV><DIV>&nbsp;</DIV><DIV>&nbsp;</DIV><DIV>&nbsp;</DIV><DIV><STRONG>ERROR i.o.javaagent.tooling.HelperInjector - Error preparing helpers while processing class org.apache.http.impl.client.CloseableHttpClient for apache-httpclient. Failed to inject helper classes into instance com.singularity.ee.agent.appagent.kernel.classloader.Post19AgentClassLoader@10947c4e<BR />java.lang.IllegalStateException: Error invoking (accessor)::defineClass</STRONG></DIV><DIV>&nbsp;</DIV><DIV>&nbsp;</DIV><DIV><STRONG>ERROR i.o.javaagent.tooling.HelperInjector - Error preparing helpers while processing interface org.apache.http.client.HttpClient for apache-httpclient. Failed to inject helper classes into instance com.singularity.ee.agent.appagent.kernel.classloader.Post19AgentClassLoader@10947c4e<BR />java.lang.IllegalStateException: Error invoking (accessor)::defineClass</STRONG></DIV><DIV>&nbsp;</DIV><DIV>We see these errors only with jdk17 docker container. previous are current production containers with jdk1.8 is working fine.</DIV><DIV>Please help me on this.</DIV><DIV>Thanks in advance.</DIV><DIV>&nbsp;</DIV> Mon, 10 Jul 2023 16:33:15 GMT Alosiyus_Joseph 2023-07-10T16:33:15Z https://community.splunk.com/t5/Splunk-AppDynamics/Java-Agent-jar-not-getting-initialized-with-jdk17-docker/m-p/725938#M4992 <DIV>I'm already using<SPAN>&nbsp;</SPAN><STRONG>appdynamics/java-agent:latest&nbsp;</STRONG>docker image to push all our application logs to the appdynamics.</DIV><DIV>Our applications are running in kubernetes clusters and all the apps are in java 1.8 version.</DIV><DIV>&nbsp;</DIV><DIV>Now we are trying to migrate all our apps running in kubernetes to use java17.</DIV><DIV>So when we deploy we few errors related to appd java agent jar getting initialized and the logs are not getting pushed to appd.</DIV><DIV>&nbsp;</DIV><DIV>Error logs we see..</DIV><DIV><STRONG>Class with name [com.ibm.lang.management.internal.ExtendedOperatingSystemMXBeanImpl] is not available in classpath, so will ignore export access.</STRONG><BR /><STRONG>2023-07-05 23:49:32.685-04:00 ERROR i.o.javaagent.tooling.HelperInjector - Error preparing helpers while processing interface javax.servlet.Servlet for servlet. Failed to inject helper classes into instance com.singularity.ee.agent.appagent.kernel.classloader.Post19AgentClassLoader@10947c4e</STRONG><BR /><STRONG>java.lang.IllegalStateException: Error invoking (accessor)::defineClass</STRONG><BR /><STRONG>at net.bytebuddy.dynamic.loading.ClassInjector$UsingReflection$Dispatcher$UsingUnsafeInjection.defineClass(ClassInjector.java:1002)</STRONG><BR /><STRONG>at net.bytebuddy.dynamic.loading.ClassInjector$UsingReflection.injectRaw(ClassInjector.java:254)</STRONG><BR /><STRONG>at io.opentelemetry.javaagent.tooling.HelperInjector.injectClassLoader(HelperInjector.java:247)</STRONG></DIV><DIV>&nbsp;</DIV><DIV>&nbsp;</DIV><DIV>&nbsp;</DIV><DIV><STRONG>ERROR i.o.javaagent.tooling.HelperInjector - Error preparing helpers while processing class org.apache.http.impl.client.CloseableHttpClient for apache-httpclient. Failed to inject helper classes into instance com.singularity.ee.agent.appagent.kernel.classloader.Post19AgentClassLoader@10947c4e<BR />java.lang.IllegalStateException: Error invoking (accessor)::defineClass</STRONG></DIV><DIV>&nbsp;</DIV><DIV>&nbsp;</DIV><DIV><STRONG>ERROR i.o.javaagent.tooling.HelperInjector - Error preparing helpers while processing interface org.apache.http.client.HttpClient for apache-httpclient. Failed to inject helper classes into instance com.singularity.ee.agent.appagent.kernel.classloader.Post19AgentClassLoader@10947c4e<BR />java.lang.IllegalStateException: Error invoking (accessor)::defineClass</STRONG></DIV><DIV>&nbsp;</DIV><DIV>We see these errors only with jdk17 docker container. previous are current production containers with jdk1.8 is working fine.</DIV><DIV>Please help me on this.</DIV><DIV>Thanks in advance.</DIV><DIV>&nbsp;</DIV> Mon, 10 Jul 2023 16:33:15 GMT https://community.splunk.com/t5/Splunk-AppDynamics/Java-Agent-jar-not-getting-initialized-with-jdk17-docker/m-p/725938#M4992 Alosiyus_Joseph 2023-07-10T16:33:15Z