Apr 26, 2017 · The solution that worked for me is to convert your object to a class that extends Serializable and just instantiate it where you need it. So basically, if I'm not wrong you have. object test { def foo = ... } which would be used as test.foo in your main, but you need at minimum. class Test extends Serializable { def foo = ... 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. 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_ictx37.1k 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 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 ...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 ... The only thing I found is that it's hard to diagnose and the following steps might help you recover. Manually remove the workflow packages from JENKINS_HOME/pluginsI 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...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 resolved1 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.1 Usually it is caused by class conflict. There is multiple version of the jar used in your project,and java picked the incorrect one. You can check which version is really in dependency hierarchy by passing the artifactId.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.Oct 14, 2015 · After wasting almost one day and finding that the jar is already on my class path, i further debugged it and found that when java's reflection mechanism was trying to find a method which was already present in the "methods list" it was not able to find due to some version conflict between Jedis version (2.7.2) not compatible with Spring Data Redis (1.5.0.RELEASE), this issue has already been ... After wasting almost one day and finding that the jar is already on my class path, i further debugged it and found that when java's reflection mechanism was trying to find a method which was already present in the "methods list" it was not able to find due to some version conflict between Jedis version (2.7.2) not compatible with Spring Data Redis (1.5.0.RELEASE), this issue has already been ...Dec 15, 2018 · Getting java.lang.NoClassDefFoundError: Could not initialize class oracle.jdbc.OracleDriver exception Hot Network Questions Why did 1990s-2000s LCD all use 60 Hz refresh? Could not initialize class org.nd4j.linalg.factory.Nd4j in docker container. I am trying to import a KERAS file in a docker container with a program that has the following java code sample: String weights = getFile (_modelFile).getAbsolutePath (); String modelConfiguration = getFile (_configFile).getAbsolutePath (); _model = KerasModelImport ...Part of DBhelper.java class (There are also other static members, the full code is below): public class DBhelper { public static String getString() {return "Hi!";} } And the exception: HTTP Status 500 - Handler processing failed; nested exception is java.lang.NoClassDefFoundError: Could not initialize class org.sher.wtpractice.dao.DBhelperOct 29, 2021 · 5 Answers. I think you might be using the wrong version of Java. From the doc: Spark runs on Java 8/11, Scala 2.12, Python 3.6+ and R 3.5+. Python 3.6 support is deprecated as of Spark 3.2.0. Java 8 prior to version 8u201 support is deprecated as of Spark 3.2.0. For the Scala API, Spark 3.2.0 uses Scala 2.12. Kotlin: [Internal Error] java.lang.NoClassDefFoundError: Could not initialize class com.intellij.pom.java.LanguageLevel Ask Question Asked 2 years, 2 months ago37.1k 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_ictxI'm trying to connect to a Apache Ignite server with Apache Ignite built-in tool, SQLLine. I get the error: java.lang.NoClassDefFoundError: Could not initialize class org.apache.ignite.IgniteJdbcThinDriver. Background. I have Apache Ignite running in a container and CentOS7 running in another container.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:Jan 6, 2020 · 1. 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. Jun 18, 2020 · Prerequisites I'm trying to rewrite test written with Mockito to avoid open Kotlin classes. For that I use Annotations API as most similar to those in Mockito. In example on website I see an @InjectMockKs over TrafficSystem class without... 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...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 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.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 ...1. 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.Jun 18, 2020 · Prerequisites I'm trying to rewrite test written with Mockito to avoid open Kotlin classes. For that I use Annotations API as most similar to those in Mockito. In example on website I see an @InjectMockKs over TrafficSystem class without... 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 ...May 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 when we migrated from Oracle JDK-8 to Open JDK-11, Apache POI excel generation has issues tried already -Djava.awt.headless=true org.springframework.web.util.NestedServletException: Handler dispatchThe only thing I found is that it's hard to diagnose and the following steps might help you recover. Manually remove the workflow packages from JENKINS_HOME/pluginsJul 27, 2020 · 1 Answer. 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 ... Nov 8, 2012 · It 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. 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. Jun 23, 2017 · 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. 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 manuscriptToday, 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.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. 5 Answers. I think you might be using the wrong version of Java. From the doc: Spark runs on Java 8/11, Scala 2.12, Python 3.6+ and R 3.5+. Python 3.6 support is deprecated as of Spark 3.2.0. Java 8 prior to version 8u201 support is deprecated as of Spark 3.2.0. For the Scala API, Spark 3.2.0 uses Scala 2.12.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...Jul 2, 2021 · when we migrated from Oracle JDK-8 to Open JDK-11, Apache POI excel generation has issues tried already -Djava.awt.headless=true org.springframework.web.util.NestedServletException: Handler dispatch when we migrated from Oracle JDK-8 to Open JDK-11, Apache POI excel generation has issues tried already -Djava.awt.headless=true org.springframework.web.util.NestedServletException: Handler dispatchIf 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.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...java.lang.NoClassDefFoundError: Could not initialize class org.jetbrains.kotlin.com.intellij.pom.java.LanguageLevel 5 Difficulties enabling Kotlin in React Native Expo with Bare WorkflowIt 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.Oct 14, 2015 · After wasting almost one day and finding that the jar is already on my class path, i further debugged it and found that when java's reflection mechanism was trying to find a method which was already present in the "methods list" it was not able to find due to some version conflict between Jedis version (2.7.2) not compatible with Spring Data Redis (1.5.0.RELEASE), this issue has already been ... Yes, Thrown if the Java Virtual Machine or a ClassLoader instance tries to load in the definition of a class (as part of a normal method call or as part of creating a new instance using the new expression) and no definition of the class could be found.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 ...Oct 4, 2018 · If this specific jar doesn't suit you, there are a few others where chis class could be found. If you use Eclipse, there is a handy tool that allows you to see what jars contain the class you need, and this way you can see what makes most sense given what you are doing. Under Mac, you can press CMD+Shift+T and enter the class name. Hope this helps. 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. 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. 1 posted 9 years ago Hi Harry, I have copied the bean in the right folder which is visible to my application. I think Could not initialize class xxx means it was able to access it. In case the class could not be found, it would display java.lang.NoClassDefFoundError: xxxDownloaded 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 importCould not initialize class sun.awt.X11FontManager using openjdk 8 on alpine linux 6 OpenJDK 11 java.lang.ClassCastException: class sun.font.CompositeFont cannot be cast to class sun.font.PhysicalFontJul 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. 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 classesI 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...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: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 [ 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?As you may see first exception that we have NPE at (Plugins.java:17) and I think it's somehow connected with ClassLoaders. I can get same issue for jUnit module also. I can get same issue for jUnit module also.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.1 posted 9 years ago Hi Harry, I have copied the bean in the right folder which is visible to my application. I think Could not initialize class xxx means it was able to access it. In case the class could not be found, it would display java.lang.NoClassDefFoundError: xxxYou'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 ...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. Jul 27, 2020 · 1 Answer. 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 ... 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 manuscript20. 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.Jul 8, 2012 · 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... Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about TeamsCould not initialize class sun.awt.X11FontManager using openjdk 8 on alpine linux 6 OpenJDK 11 java.lang.ClassCastException: class sun.font.CompositeFont cannot be cast to class sun.font.PhysicalFont20. 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.May 8, 2019 · 1 Usually it is caused by class conflict. There is multiple version of the jar used in your project,and java picked the incorrect one. You can check which version is really in dependency hierarchy by passing the artifactId. Dec 15, 2018 · Getting java.lang.NoClassDefFoundError: Could not initialize class oracle.jdbc.OracleDriver exception Hot Network Questions Why did 1990s-2000s LCD all use 60 Hz refresh? 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 ... 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. Oct 1, 2022 · If you are working on spring MVC web application and you are trying to use JSR-303 validation annotations then you might face this exception. Exception stack trace looks like this. 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 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 –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.Dec 15, 2018 · Getting java.lang.NoClassDefFoundError: Could not initialize class oracle.jdbc.OracleDriver exception Hot Network Questions Why did 1990s-2000s LCD all use 60 Hz refresh? 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. Sep 4, 2016 · "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" 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 [ 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 ...
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.. Videosxxx
Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about TeamsPrerequisites I'm trying to rewrite test written with Mockito to avoid open Kotlin classes. For that I use Annotations API as most similar to those in Mockito. In example on website I see an @InjectMockKs over TrafficSystem class without...Apr 2, 2019 · NoClassDefFoundError: 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. 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 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.Apr 20, 2020 · 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: 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.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 May 2, 2011 · The message Could not initialize class org.hibernate.cfg.Configuration means that the JVM has already tried and failed to initialize the class org.hibernate.cfg.Configuration. The source code of the class contains the following line: Since this field is marked static, the field's value is set when the class has initialized. 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 Jul 8, 2012 · 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... 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 837.1k 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 20. 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. Oct 29, 2021 · 5 Answers. I think you might be using the wrong version of Java. From the doc: Spark runs on Java 8/11, Scala 2.12, Python 3.6+ and R 3.5+. Python 3.6 support is deprecated as of Spark 3.2.0. Java 8 prior to version 8u201 support is deprecated as of Spark 3.2.0. For the Scala API, Spark 3.2.0 uses Scala 2.12. .