"java.lang.NoClassDefFoundError: Could not initialize class org.apache.xml.security.Init" the confusing part is if I remove the xmlsec.jar from libs, it still knows the . import "org.apache.xml.security.Init" but when I delete that and try to rewrite the same: import "org.apache.xml.security.Init"This is possible since internal builds may live in another build environment (classpath/target platform). The most common reasons for NoClassDefFoundErrors are exceptions thrown in static initializers of referenced classes (ExceptionInInitializer as root cause) and ClassNotFoundExceptions for referenced classes.Nov 20, 2020 · I tried copying a bunch of custom plugins into my C:\\apache-jmeter-5.3\\lib\\ext folder. But when I try to open C:\\Projects\\centaurjmeter\\src\\test\\unittests\\mytree\\loadtest.mytree.jmx, I get this err... Nov 20, 2020 · I tried copying a bunch of custom plugins into my C:\\apache-jmeter-5.3\\lib\\ext folder. But when I try to open C:\\Projects\\centaurjmeter\\src\\test\\unittests\\mytree\\loadtest.mytree.jmx, I get this err... 2 Answers Sorted by: 1 This is an old question, but I think it deserves a better answer. There are actually two things going on here. Some time before the exception that the Question is talking about, the JVM has attempted to execute the static initialization for the AccessorFactory class. Nov 9, 2022 · What Is java.lang.NoClassDefFoundError? When the Java Runtime runs a Java program, it does not load all the classes and dependencies at once. Instead, it calls upon the Java Classloader to load classes in memory as-and-when-required. While loading a class, if the Classloader cannot find the class’s definition, it throws the NoClassDefFoundError. Aug 1, 2022 · So, the java.lang.noclassdeffounderror: could not initialize class error by our server means it cannot locate the class file. It can be caused by different reasons that are listed below. The issue can be in the static block (also called a static initializer). Downloaded apache 3.2.0 the latest one as well as the hadoop file java Java SE Development Kit 17.0.1 is installed too i am not even able to initialize input : import pyspark from pyspark.sql import20. I'm working on XUbuntu 13.04 and developing swing applications. As I just wanted to try that application I ran into java.lang.NoClassDefFoundError: Could not initialize class java.awt.Toolkit on startup. I've found several questions about server/client vms and noticed that I have a server VM and that for Linux 64 there is no client VM anymore. Java.Lang.NoClassDefFoundError: Could Not Initialize Class エラーを根絶するためのソリューション 今日は、別の実行時エラーについて学習します: java.lang.noclassdeffounderror: could not initialize class. まず、このエラーが発生した Java プログラムを調べて、考えられる理由につい ...The root cause of the issue is correct - missed "Microsoft Visual C++ Redistributable" but I haven't had installed exact version - "Microsoft Visual C++ 2015 Redistributable х64", and the similar environment works well without errors.Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about TeamsIf the exception message says "Could not initialize class...", as it does in this question, then the class does exist and can be found, but the JVM has already tried and failed to perform static initialization on the class and so gives up doing it again. –This is another common reason for java.lang.NoClassDefFoundError, when your class performs some static initialization in a static block like many Singleton classes initialized itself on the static block to take advantage of thread-safety provided by JVM during the class initialization process, and if static block throws an Exception, the class ...Jan 5, 2021 · 1. I've decided to post this question because it took me the whole morning to find a solution... especially because the most common reason for java.lang.NoClassDefFoundError: Could not initialize class weblogic.jndi.Environment to occur, is when weblogic.jar and wlfullclient.jar aren't being properly located by any of IDE, WebApp, or WL. I am trying to migrate a project from Java8 into Java9 but I am running into the run time exception below, I tried every possible solution suggested by the Stack-overflow community and other blogs ...20. Try running this code in a constructor of a servlet. System.setProperty ("java.awt.headless", "true"); or. Use this parameter in the startup script of the server: -Djava.awt.headless=true. Here is an example of this problem documented and explaned in Apache POI when you want to create a sheet with auto size columns.Could not initialize class org.codehaus.groovy.runtime.InvokerHelper. In a similar question in stack-overflow Android Studio Could not initialize class org.codehaus.groovy.runtime.InvokerHelper it was recommended to . install java jdk-14 ; upgrade to gradle version 6.3; I changed the jdk to 14 in IntelliJ in 2 places:Nov 9, 2022 · What Is java.lang.NoClassDefFoundError? When the Java Runtime runs a Java program, it does not load all the classes and dependencies at once. Instead, it calls upon the Java Classloader to load classes in memory as-and-when-required. While loading a class, if the Classloader cannot find the class’s definition, it throws the NoClassDefFoundError. 37.1k 15 99 111 asked Sep 6, 2011 at 20:12 Leon 8,151 11 45 51 Is the appropriate directory structure in your jar to match the class package? – John B Sep 6, 2011 at 20:14 need to see some source, many things can cause this. for example, a 'package' statement but the file not actually residing in the corresponding path – jcomeau_ictx So, the java.lang.noclassdeffounderror: could not initialize class error by our server means it cannot locate the class file. It can be caused by different reasons that are listed below. The issue can be in the static block (also called a static initializer).That also worked just fine for me while using OpenJDK 11. w/o any code modification. I am using java.base.* enc/dec on my fronted class instead of javax.xml.bind.DatatypeConverter, but jjwt (0.9.0) brings it back in when generating the token.Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.Provide details and share your research! But avoid …. Asking for help, clarification, or responding to other answers.Aug 31, 2012 · hibernate -annotation.jar and hibernate-common-annotation.jar are different? i included hibernate-common-annotation.jar but i still getting java.lang.NoClassDefFoundError: Could not initialize class org.hibernate.ejb.Ejb3Configuration. i am using hibernate with jpa specification – Mar 8, 2020 · I'm trying to run tests in a legacy Java project and I get this error: java.lang.NoClassDefFoundError: Could not initialize class org.powermock.modules.junit4.rule.PowerMockRule The code that is causing the issue is like that: @Rule public PowerMockRule rule = new PowerMockRule(); And the PowerMock version is 1.5.6 If you are using Java 8 Update 151 (8u151) or later, also check this:. New Features New Security property to control crypto policy. This release introduces a new feature whereby the JCE jurisdiction policy files used by the JDK can be controlled via a new Security property.Nov 1, 2020 · Today, I updated it and everything went downhill. I've been having different errors throughout my attempt to fix this. First error: could not initialize class org.codehaus.groovy.runtime.invokerhelper. Second error: could not initialize class org.codehaus.groovy.reflection.ReflectionCache. Anyways, I've been researching and I've done the following. 1 Answer. Sorted by: 1. It is happening because your variable is static and within consutructir you are trying to change the variable. It will attempt to reinitialize which is not possible . Share. Follow.Jul 25, 2019 · I installed apache-jmeter-5.1.1 and java 1.8.0_221 (8), and was walking through the getting started guide to build a web test plan in the GUI. But when I click save to save the Test Plan I receive the below error: Uncaught Exception java.lang.NoClassDefFoundError: Could not initialize class org.apache.jmeter.gui.util.FileDialoger. 37.1k 15 99 111 asked Sep 6, 2011 at 20:12 Leon 8,151 11 45 51 Is the appropriate directory structure in your jar to match the class package? – John B Sep 6, 2011 at 20:14 need to see some source, many things can cause this. for example, a 'package' statement but the file not actually residing in the corresponding path – jcomeau_ictxMay 13, 2022 · java.lang.IllegalAccessError: class org.apache.spark.storage.StorageUtils$ (in unnamed module @0x12a94400) cannot access class sun.nio.ch.DirectBuffer (in module java.base) because module java.base does not export sun.nio.ch to unnamed module Same goes for the name of the class inside the file. 2) Location: Make sure the WEB-INF you put the file in is the same WEB-INF used to run the server. 3) You are putting the MyClassR.class file in the classpath, and not MyClassR.java right? 4) You put the package statement at the top of the class definition.Seems like you are missing a class on your CLASSPATH.That may be caused by various issues, you have to make sure org.owasp.esapi.reference.DefaultValidator is found by the server's CLASSPATH.You're probably missing some dependant library. In Eclipse you can look inside the jar file from project explorer and verify that there is a package 'org.apache.axis.client' and it contains class AxisClient. (If you're not in Eclipse then otherwise you can just unpack your jar and see that the class is there - many possibilities for that, you ... You shouldn't need to import util.HibernateUtil. You may need to either declare the HibernateUtil class as static eg public static class HibernateUtils{and then using by writing HibernateUtil.doAThing(); or instantiate a HibernateUtil Object eg HibernateUtil hibUtil = new HibernateUtil(); and use hibUtil.doAThing(); instead.For the latter though you'll need to include a Constructor to your ...I am trying to migrate a project from Java8 into Java9 but I am running into the run time exception below, I tried every possible solution suggested by the Stack-overflow community and other blogs ...You're probably missing some dependant library. In Eclipse you can look inside the jar file from project explorer and verify that there is a package 'org.apache.axis.client' and it contains class AxisClient. (If you're not in Eclipse then otherwise you can just unpack your jar and see that the class is there - many possibilities for that, you ... I think ill-behaved plugins could cause ImageIO to crash during initialization and cause the problem you see. And to answer one of your questions, yes, any Java 7 JRE must contain java.awt.* and javax.imageio.* packages. – Harald K.Spark Error: Could not initialize class org.apache.spark.rdd.RDDOperationScope. I've created a spark standalone cluster on my laptop, then I go into an sbt console on a spark project and try to embed a spark instance as so: val conf = new SparkConf ().setAppName ("foo").setMaster (/* Spark Master URL*/) val sc = new SparkContext (conf) sc ...Could not initialize class .....javax.xml.transform.FactoryFinder (in our case). In the article, where we found the solution, it was the class SessionFactory. Class Under Test. We wanted to write a test for a utils class with static members. I think you might be missing some bootstrapping of your test class. Do you have annotations on your test case class like this? @RunWith(PowerMockRunner.class) @PrepareForTest(MyFinalClient.class) That'll get powermock to prepare the MyFinalClient class with some bytecode manipulation so that it can properly generate the mock.Jun 28, 2021 · I have seen this: java.lang.NoClassDefFoundError: Could not initialize class XXX And this: Different methodologies for solving bugs that only occur in production But my question is, given what the ... This is another common reason for java.lang.NoClassDefFoundError, when your class performs some static initialization in a static block like many Singleton classes initialized itself on the static block to take advantage of thread-safety provided by JVM during the class initialization process, and if static block throws an Exception, the class ... Nov 28, 2017 · Seems like you are missing a class on your CLASSPATH.That may be caused by various issues, you have to make sure org.owasp.esapi.reference.DefaultValidator is found by the server's CLASSPATH. I have updated my dependecies like you said in your comment and i have this now : org.springframework.context.ApplicationContextException: Unable to start embedded container; nested exception is org.I think ill-behaved plugins could cause ImageIO to crash during initialization and cause the problem you see. And to answer one of your questions, yes, any Java 7 JRE must contain java.awt.* and javax.imageio.* packages. – Harald K.If the exception message says "Could not initialize class...", as it does in this question, then the class does exist and can be found, but the JVM has already tried and failed to perform static initialization on the class and so gives up doing it again. –Sep 23, 2014 · I want to use SAP JCo to select user data for my Java program. But all I got is: Sep 23, 2014 1:34:28 PM org.apache.catalina.core.StandardWrapperValve invoke SEVERE: Servlet.service() for servlet [ Could not initialize class org.codehaus.groovy.runtime.InvokerHelper. In a similar question in stack-overflow Android Studio Could not initialize class org.codehaus.groovy.runtime.InvokerHelper it was recommended to . install java jdk-14 ; upgrade to gradle version 6.3; I changed the jdk to 14 in IntelliJ in 2 places:Following this cause: Caused by: java.lang.NoClassDefFoundError: Could not initialize class com.fasterxml.jackson.databind.ObjectMapper The class is there (at least I can find it manually). In my build.gradle I have these two related dependencies:Nov 26, 2013 · Weblogic Start Failed java.lang.NoClassDefFoundError: weblogic/Server Hot Network Questions What are the conditions necessary for a programming language to have no undefined behavior? I could resolve the issue. The problem was the minor version of pdfbox, fontbox and jempbox were not the same. Hence the PDFFont was not initialized, because internally it needs to load the classes of fontbox also and probably there was a mismatch in the version id of the classesFor me the issue was due to the fact that in my pom.xml Java 13 was mentioned, on the server machine java 17 was installed. So updated server java version to be what it is in pom.xml If you have multiple versions of JDK on Linux please use this command to choose the correct one4 Answers. This problem is caused by not including the asm dependencies that cglib has. Solution 1: Add the correct versions of asm and asm-util to your classpath. Solution 2: Use the cglib-nodep version (which includes both asm dependencies). I can't thank you enough for your valuable answer for the problem.I have the following code that's trying to establish a connection to a remote database. It's throwing an exception, and I can't figure out why. import java.util.List; import java.util.Arr...Aug 1, 2022 · So, the java.lang.noclassdeffounderror: could not initialize class error by our server means it cannot locate the class file. It can be caused by different reasons that are listed below. The issue can be in the static block (also called a static initializer). Sep 20, 2012 · 4 Answers. This problem is caused by not including the asm dependencies that cglib has. Solution 1: Add the correct versions of asm and asm-util to your classpath. Solution 2: Use the cglib-nodep version (which includes both asm dependencies). I can't thank you enough for your valuable answer for the problem. Jan 3, 2017 · This is possible since internal builds may live in another build environment (classpath/target platform). The most common reasons for NoClassDefFoundErrors are exceptions thrown in static initializers of referenced classes (ExceptionInInitializer as root cause) and ClassNotFoundExceptions for referenced classes. You're probably missing some dependant library. In Eclipse you can look inside the jar file from project explorer and verify that there is a package 'org.apache.axis.client' and it contains class AxisClient. (If you're not in Eclipse then otherwise you can just unpack your jar and see that the class is there - many possibilities for that, you ...Kotlin: [Internal Error] java.lang.NoClassDefFoundError: Could not initialize class com.intellij.pom.java.LanguageLevel Ask Question Asked 2 years, 2 months agoNov 20, 2020 · I tried copying a bunch of custom plugins into my C:\\apache-jmeter-5.3\\lib\\ext folder. But when I try to open C:\\Projects\\centaurjmeter\\src\\test\\unittests\\mytree\\loadtest.mytree.jmx, I get this err... This is another common reason for java.lang.NoClassDefFoundError, when your class performs some static initialization in a static block like many Singleton classes initialized itself on the static block to take advantage of thread-safety provided by JVM during the class initialization process, and if static block throws an Exception, the class ...Mar 14, 2018 · java.lang.NoClassDefFoundError: Could not initialize class org.apache.pdfbox.pdmodel.font.PDFont. For other file extensions it works fine. Things I have tried out dependencies in apache-tika module.xml to PDFbox Explicitly loaded org.apache.pdfbox from standalone.xml Jan 5, 2021 · 1. I've decided to post this question because it took me the whole morning to find a solution... especially because the most common reason for java.lang.NoClassDefFoundError: Could not initialize class weblogic.jndi.Environment to occur, is when weblogic.jar and wlfullclient.jar aren't being properly located by any of IDE, WebApp, or WL. Nov 9, 2022 · What Is java.lang.NoClassDefFoundError? When the Java Runtime runs a Java program, it does not load all the classes and dependencies at once. Instead, it calls upon the Java Classloader to load classes in memory as-and-when-required. While loading a class, if the Classloader cannot find the class’s definition, it throws the NoClassDefFoundError. I have seen this: java.lang.NoClassDefFoundError: Could not initialize class XXX And this: Different methodologies for solving bugs that only occur in production But my question is, given what the ...The root cause of the issue is correct - missed "Microsoft Visual C++ Redistributable" but I haven't had installed exact version - "Microsoft Visual C++ 2015 Redistributable х64", and the similar environment works well without errors. The root cause of the issue is correct - missed "Microsoft Visual C++ Redistributable" but I haven't had installed exact version - "Microsoft Visual C++ 2015 Redistributable х64", and the similar environment works well without errors.20. Try running this code in a constructor of a servlet. System.setProperty ("java.awt.headless", "true"); or. Use this parameter in the startup script of the server: -Djava.awt.headless=true. Here is an example of this problem documented and explaned in Apache POI when you want to create a sheet with auto size columns.Aug 1, 2022 · So, the java.lang.noclassdeffounderror: could not initialize class error by our server means it cannot locate the class file. It can be caused by different reasons that are listed below. The issue can be in the static block (also called a static initializer). Jan 9, 2021 · Assuming by 'standard' you both mean Oracle, there is no difference in JSSE between Oracle and OpenJDK (and no difference in the rest of JCE except that in versions before late 2017 Oracle defaulted to the 'limited' crypto policy due to former US export rules, and you needed to add the 'unlimited policy' download, while OpenJDK ddi not). Sep 20, 2012 · 4 Answers. This problem is caused by not including the asm dependencies that cglib has. Solution 1: Add the correct versions of asm and asm-util to your classpath. Solution 2: Use the cglib-nodep version (which includes both asm dependencies). I can't thank you enough for your valuable answer for the problem. Same goes for the name of the class inside the file. 2) Location: Make sure the WEB-INF you put the file in is the same WEB-INF used to run the server. 3) You are putting the MyClassR.class file in the classpath, and not MyClassR.java right? 4) You put the package statement at the top of the class definition.20. Try running this code in a constructor of a servlet. System.setProperty ("java.awt.headless", "true"); or. Use this parameter in the startup script of the server: -Djava.awt.headless=true. Here is an example of this problem documented and explaned in Apache POI when you want to create a sheet with auto size columns.1 Answer. Sorted by: 1. It is happening because your variable is static and within consutructir you are trying to change the variable. It will attempt to reinitialize which is not possible . Share. Follow.Could not initialize class .....javax.xml.transform.FactoryFinder (in our case). In the article, where we found the solution, it was the class SessionFactory. Class Under Test. We wanted to write a test for a utils class with static members. Seems like you are missing a class on your CLASSPATH.That may be caused by various issues, you have to make sure org.owasp.esapi.reference.DefaultValidator is found by the server's CLASSPATH.37.1k 15 99 111 asked Sep 6, 2011 at 20:12 Leon 8,151 11 45 51 Is the appropriate directory structure in your jar to match the class package? – John B Sep 6, 2011 at 20:14 need to see some source, many things can cause this. for example, a 'package' statement but the file not actually residing in the corresponding path – jcomeau_ictx"java.lang.NoClassDefFoundError: Could not initialize class org.apache.xml.security.Init" the confusing part is if I remove the xmlsec.jar from libs, it still knows the . import "org.apache.xml.security.Init" but when I delete that and try to rewrite the same: import "org.apache.xml.security.Init"Aug 4, 2017 · Apparently it was an issue with the server environment, probably the environment variables where not pointing to the right place, don't know for sure but after we talk about it the person in charge fixed the problem. Jul 7, 2021 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.Provide details and share your research! But avoid …. Asking for help, clarification, or responding to other answers. Same goes for the name of the class inside the file. 2) Location: Make sure the WEB-INF you put the file in is the same WEB-INF used to run the server. 3) You are putting the MyClassR.class file in the classpath, and not MyClassR.java right? 4) You put the package statement at the top of the class definition. 1. I've decided to post this question because it took me the whole morning to find a solution... especially because the most common reason for java.lang.NoClassDefFoundError: Could not initialize class weblogic.jndi.Environment to occur, is when weblogic.jar and wlfullclient.jar aren't being properly located by any of IDE, WebApp, or WL.May 25, 2016 · I keep getting java.lang.NoClassDefFoundError: Could not initialize class net.sf.jasperreports.engine.util.JRStyledTextParser The full stacktrace is: java.lang ... Oct 25, 2020 · java.lang.NoClassDefFoundError: Could not initialize class org.codehaus.groovy.vmplugin.v7.Java7 I don't understand why this happens because I'm not even using Gradle! I'm using Maven as in any of my Spring Boot Projects but this problem only happens whenever I add the Spring Data Cassandra Dependency. Today, I updated it and everything went downhill. I've been having different errors throughout my attempt to fix this. First error: could not initialize class org.codehaus.groovy.runtime.invokerhelper. Second error: could not initialize class org.codehaus.groovy.reflection.ReflectionCache. Anyways, I've been researching and I've done the following.Jasperreport in Java 11. java.lang.NoClassDefFoundError: Could not initialize class net.sf.jasperreports.engine.util.JRStyledTextParser Hot Network Questions Removing certain elements from a list of listsjava.lang.NoClassDefFoundError: Could not initialize class org.codehaus.groovy.vmplugin.v7.Java7 I don't understand why this happens because I'm not even using Gradle! I'm using Maven as in any of my Spring Boot Projects but this problem only happens whenever I add the Spring Data Cassandra Dependency.I am writing a plugin for nexus oss . where I am using axis for making webservice calls . It throws an. InvocationTargetException : target : java.lang.NoClassDefFoundError: Could not initialize class org.apache.axis.client.AxisClientIt seems Apache POI is trying to load the class org.apache.xmlbeans.XMLOptions but it cannot find this class. The message Could not initialize class SomeClass indicates that the JVM has twice tried and failed to load and statically initialize the class SomeClass. In this case, the class in question is org.apache.poi.POIXMLDocument.Aug 28, 2020 · After much searching, I found several instances of this including java.lang.NoClassDefFoundError: Could not initialize class org.codehaus.groovy.vmplugin.v7.Java7, but most are older posts on older versions of gradle and groovy or they are related to android. Here is my version info:
The ClientConfiguration of aws-java-sdk-osgi-1.11.26.jar is dependent of Jackson-databind.jar Jackson-databind.jar is dependent on Jackson-core.jar So it is not able to initialize ClientConfiguration. Added Import-Package importing all from jackson-core-osgi.jar in Manifest of Jackson-databind-osgi.jar. Then the issue is resolved. Mega porn
37.1k 15 99 111 asked Sep 6, 2011 at 20:12 Leon 8,151 11 45 51 Is the appropriate directory structure in your jar to match the class package? – John B Sep 6, 2011 at 20:14 need to see some source, many things can cause this. for example, a 'package' statement but the file not actually residing in the corresponding path – jcomeau_ictx Aug 1, 2020 · Glassfish 5 will not start after enable-secure-admin command 2 java.lang.NoSuchMethodError: sun.security.ssl.SSLSessionImpl.<init> in Spring, Hibernate and JSF project running on Glassfish with Java 8 After much searching, I found several instances of this including java.lang.NoClassDefFoundError: Could not initialize class org.codehaus.groovy.vmplugin.v7.Java7, but most are older posts on older versions of gradle and groovy or they are related to android. Here is my version info:Jun 18, 2016 · Jasperreport in Java 11. java.lang.NoClassDefFoundError: Could not initialize class net.sf.jasperreports.engine.util.JRStyledTextParser Hot Network Questions Paid beta seems to have skipped large portions of my manuscript Aug 1, 2022 · So, the java.lang.noclassdeffounderror: could not initialize class error by our server means it cannot locate the class file. It can be caused by different reasons that are listed below. The issue can be in the static block (also called a static initializer). Jasperreport in Java 11. java.lang.NoClassDefFoundError: Could not initialize class net.sf.jasperreports.engine.util.JRStyledTextParser Hot Network Questions Paid beta seems to have skipped large portions of my manuscriptJan 5, 2021 · 1. I've decided to post this question because it took me the whole morning to find a solution... especially because the most common reason for java.lang.NoClassDefFoundError: Could not initialize class weblogic.jndi.Environment to occur, is when weblogic.jar and wlfullclient.jar aren't being properly located by any of IDE, WebApp, or WL. Seems like you are missing a class on your CLASSPATH.That may be caused by various issues, you have to make sure org.owasp.esapi.reference.DefaultValidator is found by the server's CLASSPATH.Mar 30, 2017 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams The setting you showed above doesn’t exist. It’s likely some sort of bug that Lucee is showing a number greater than 115% but unless you’re actually getting memory errors in your app I wouldn’t worry. That said, your app might breath a bit better if you give it more than 512MB, assuming you have it available.I have the following code that's trying to establish a connection to a remote database. It's throwing an exception, and I can't figure out why. import java.util.List; import java.util.Arr...If the exception message says "Could not initialize class...", as it does in this question, then the class does exist and can be found, but the JVM has already tried and failed to perform static initialization on the class and so gives up doing it again. –[Solved] java.lang.NoClassDefFoundError: Could not initialize class org.hibernate.validator.engine.ConfigurationImplNoClassDefFoundError: Could not initialize class org.apache.cxf.attachment.AttachmentUtil means that JVM failed to initialize the AttachmentUtil class.. Apache CXF 3.3.X should support JDK 11 as per FAQ.I'm trying to run tests in a legacy Java project and I get this error: java.lang.NoClassDefFoundError: Could not initialize class org.powermock.modules.junit4.rule.PowerMockRule The code that is causing the issue is like that: @Rule public PowerMockRule rule = new PowerMockRule(); And the PowerMock version is 1.5.6Dec 15, 2014 · This seems to be caused by Ubuntu using the non no_aop version of guice.jar in maven 3.6.3 (which needs the no_aop guice.jar). As a workaround in Ubuntu you could (if you don't care breaking some other ubuntu package actually needing the non no_aop jar): [Solved] java.lang.NoClassDefFoundError: Could not initialize class org.hibernate.validator.engine.ConfigurationImpl1. That is almost certainly not the complete stack trace. Either that stack trace or an earlier one in the log file will tell you what caused the initialization of sun.awt.X11.XToolkit to fail. However, I'd hazard a guess that the root cause is that the JVM running the web countainer is "headless"; i.e. it doesn't have an accessible display..