A required class was missing while executing org apache maven plugins maven-war-plugin 2 1 1 war

Question

Here is my clean install -x result    INFO  Scanning for projects     INFO                                                                            INFO  ------------------------------------------------------------------------  INFO  Building test Maven Webapp 0 0 1-SNAPSHOT  INFO  ------------------------------------------------------------------------  INFO    INFO  --- maven-clean-plugin 2 5 clean  default-clean    test ---  INFO  Deleting C  Users utopcu workspace test target  INFO    INFO  --- maven-resources-plugin 2 6 resources  default-resources    test ---  WARNING  Using platform encoding  Cp1254 actually  to copy filtered resources  i e  build is platform dependent   INFO  Copying 0 resource  INFO    INFO  --- maven-compiler-plugin 2 5 1 compile  default-compile    test ---  INFO  No sources to compile  INFO    INFO  --- maven-resources-plugin 2 6 testResources  default-testResources    test ---  WARNING  Using platform encoding  Cp1254 actually  to copy filtered resources  i e  build is platform dependent   INFO  skip non existing resourceDirectory C  Users utopcu workspace test src test resources  INFO    INFO  --- maven-compiler-plugin 2 5 1 testCompile  default-testCompile    test ---  INFO  No sources to compile  INFO    INFO  --- maven-surefire-plugin 2 12 4 test  default-test    test ---  INFO  No tests to run   INFO    INFO  --- maven-war-plugin 2 1 1 war  default-war    test ---  WARNING  Error injecting  org apache maven plugin war WarMojo java lang NoClassDefFoundError  org apache maven shared filtering MavenFilteringException     at java lang Class getDeclaredConstructors0 Native Method      at java lang Class privateGetDeclaredConstructors Class java 2483      at java lang Class getDeclaredConstructors Class java 1891      at com google inject spi InjectionPoint forConstructorOf InjectionPoint java 245      at com google inject internal ConstructorBindingImpl create ConstructorBindingImpl java 99      at com google inject internal InjectorImpl createUninitializedBinding InjectorImpl java 653      at com google inject internal InjectorImpl createJustInTimeBinding InjectorImpl java 863      at com google inject internal InjectorImpl createJustInTimeBindingRecursive InjectorImpl java 790      at com google inject internal InjectorImpl getJustInTimeBinding InjectorImpl java 278      at com google inject internal InjectorImpl getBindingOrThrow InjectorImpl java 210      at com google inject internal InjectorImpl getProviderOrThrow InjectorImpl java 986      at com google inject internal InjectorImpl getProvider InjectorImpl java 1019      at com google inject internal InjectorImpl getProvider InjectorImpl java 982      at com google inject internal InjectorImpl getInstance InjectorImpl java 1032      at org eclipse sisu reflect AbstractDeferredClass get AbstractDeferredClass java 44      at com google inject internal ProviderInternalFactory provision ProviderInternalFactory java 86      at com google inject internal InternalFactoryToInitializableAdapter provision InternalFactoryToInitializableAdapter java 55      at com google inject internal ProviderInternalFactory 1 call ProviderInternalFactory java 70      at com google inject internal ProvisionListenerStackCallback Provision provision ProvisionListenerStackCallback java 100      at org eclipse sisu plexus lifecycles PlexusLifecycleManager onProvision PlexusLifecycleManager java 134      at com google inject internal ProvisionListenerStackCallback Provision provision ProvisionListenerStackCallback java 109      at com google inject internal ProvisionListenerStackCallback provision ProvisionListenerStackCallback java 55      at com google inject internal ProviderInternalFactory circularGet ProviderInternalFactory java 68      at com google inject internal InternalFactoryToInitializableAdapter get InternalFactoryToInitializableAdapter java 47      at com google inject internal InjectorImpl 2 1 call InjectorImpl java 997      at com google inject internal InjectorImpl callInContext InjectorImpl java 1047      at com google inject internal InjectorImpl 2 get InjectorImpl java 993      at com google inject Scopes 1 1 get Scopes java 59      at org eclipse sisu locators LazyBeanEntry getValue LazyBeanEntry java 82      at org eclipse sisu plexus locators LazyPlexusBean getValue LazyPlexusBean java 52      at org codehaus plexus DefaultPlexusContainer lookup DefaultPlexusContainer java 259      at org codehaus plexus DefaultPlexusContainer lookup DefaultPlexusContainer java 251      at org apache maven plugin internal DefaultMavenPluginManager getConfiguredMojo DefaultMavenPluginManager java 459      at org apache maven plugin DefaultBuildPluginManager executeMojo DefaultBuildPluginManager java 97      at org apache maven lifecycle internal MojoExecutor execute MojoExecutor java 208      at org apache maven lifecycle internal MojoExecutor execute MojoExecutor java 153      at org apache maven lifecycle internal MojoExecutor execute MojoExecutor java 145      at org apache maven lifecycle internal LifecycleModuleBuilder buildProject LifecycleModuleBuilder java 84      at org apache maven lifecycle internal LifecycleModuleBuilder buildProject LifecycleModuleBuilder java 59      at org apache maven lifecycle internal LifecycleStarter singleThreadedBuild LifecycleStarter java 183      at org apache maven lifecycle internal LifecycleStarter execute LifecycleStarter java 161      at org apache maven DefaultMaven doExecute DefaultMaven java 318      at org apache maven DefaultMaven execute DefaultMaven java 153      at org apache maven cli MavenCli execute MavenCli java 555      at org apache maven cli MavenCli doMain MavenCli java 214      at org apache maven cli MavenCli main MavenCli java 158      at sun reflect NativeMethodAccessorImpl invoke0 Native Method      at sun reflect NativeMethodAccessorImpl invoke NativeMethodAccessorImpl java 57      at sun reflect DelegatingMethodAccessorImpl invoke DelegatingMethodAccessorImpl java 43      at java lang reflect Method invoke Method java 606      at org codehaus plexus classworlds launcher Launcher launchEnhanced Launcher java 290      at org codehaus plexus classworlds launcher Launcher launch Launcher java 230      at org codehaus plexus classworlds launcher Launcher mainWithExitCode Launcher java 414      at org codehaus plexus classworlds launcher Launcher main Launcher java 357      at org codehaus classworlds Launcher main Launcher java 47  Caused by  java lang ClassNotFoundException  org apache maven shared filtering MavenFilteringException     at org codehaus plexus classworlds strategy SelfFirstStrategy loadClass SelfFirstStrategy java 50      at org codehaus plexus classworlds realm ClassRealm loadClass ClassRealm java 244      at org codehaus plexus classworlds realm ClassRealm loadClass ClassRealm java 230          55 more  INFO  ------------------------------------------------------------------------  INFO  BUILD FAILURE  INFO  ------------------------------------------------------------------------  INFO  Total time  3 342s  INFO  Finished at  Mon Aug 26 14 09 27 EEST 2013  INFO  Final Memory  11M 105M  INFO  ------------------------------------------------------------------------  ERROR  Failed to execute goal org apache maven plugins maven-war-plugin 2 1 1 war  default-war  on project test  Execution default-war of goal org apache maven plugins maven-war-plugin 2 1 1 war failed  A required class was missing while executing org apache maven plugins maven-war-plugin 2 1 1 war  org apache maven shared filtering MavenFilteringException  ERROR  -----------------------------------------------------  ERROR  realm      plugin gt org apache maven plugins maven-war-plugin 2 1 1  ERROR  strategy   org codehaus plexus classworlds strategy SelfFirstStrategy  ERROR  urls 0    file  C  Users utopcu  m2 repository org apache maven plugins maven-war-plugin 2 1 1 maven-war-plugin-2 1 1 jar  ERROR  urls 1    file  C  Users utopcu  m2 repository org apache maven reporting maven-reporting-api 2 0 6 maven-reporting-api-2 0 6 jar  ERROR  urls 2    file  C  Users utopcu  m2 repository org apache maven doxia doxia-sink-api 1 0-alpha-7 doxia-sink-api-1 0-alpha-7 jar  ERROR  urls 3    file  C  Users utopcu  m2 repository commons-cli commons-cli 1 0 commons-cli-1 0 jar  ERROR  urls 4    file  C  Users utopcu  m2 repository org codehaus plexus plexus-interactivity-api 1 0-alpha-4 plexus-interactivity-api-1 0-alpha-4 jar  ERROR  urls 5    file  C  Users utopcu  m2 repository org apache maven maven-archiver 2 4 1 maven-archiver-2 4 1 jar  ERROR  urls 6    file  C  Users utopcu  m2 repository org codehaus plexus plexus-archiver 1 2 plexus-archiver-1 2 jar  ERROR  urls 7    file  C  Users utopcu  m2 repository org codehaus plexus plexus-io 1 0 1 plexus-io-1 0 1 jar  ERROR  urls 8    file  C  Users utopcu  m2 repository org codehaus plexus plexus-interpolation 1 13 plexus-interpolation-1 13 jar  ERROR  urls 9    file  C  Users utopcu  m2 repository junit junit 3 8 1 junit-3 8 1 jar  ERROR  urls 10    file  C  Users utopcu  m2 repository com thoughtworks xstream xstream 1 3 1 xstream-1 3 1 jar  ERROR  urls 11    file  C  Users utopcu  m2 repository xpp3 xpp3 min 1 1 4c xpp3 min-1 1 4c jar  ERROR  urls 12    file  C  Users utopcu  m2 repository org codehaus plexus plexus-utils 2 0 5 plexus-utils-2 0 5 jar  ERROR  urls 13    file  C  Users utopcu  m2 repository org apache maven shared maven-filtering 1 0-beta-2 maven-filtering-1 0-beta-2 jar  ERROR  Number of foreign imports  1  ERROR  import  Entry import  from realm ClassRealm maven api  parent  null    ERROR    ERROR  -----------------------------------------------------  org apache maven shared filtering MavenFilteringException  ERROR  - gt   Help 1   ERROR    ERROR  To see the full stack trace of the errors  re-run Maven with the -e switch   ERROR  Re-run Maven using the -X switch to enable full debug logging   ERROR    ERROR  For more information about the errors and possible solutions  please read the following articles   ERROR   Help 1  http   cwiki apache org confluence display MAVEN PluginContainerException   And here is my pom xml    lt project xmlns  http   maven apache org POM 4 0 0  xmlns xsi  http   www w3 org 2001 XMLSchema-instance      xsi schemaLocation  http   maven apache org POM 4 0 0 http   maven apache org maven-v4 0 0 xsd  gt       lt modelVersion gt 4 0 0 lt  modelVersion gt       lt groupId gt trest lt  groupId gt       lt artifactId gt test lt  artifactId gt       lt packaging gt war lt  packaging gt       lt version gt 0 0 1-SNAPSHOT lt  version gt       lt name gt test Maven Webapp lt  name gt       lt url gt http   maven apache org lt  url gt       lt dependencies gt           lt dependency gt               lt groupId gt junit lt  groupId gt               lt artifactId gt junit lt  artifactId gt               lt version gt 3 8 1 lt  version gt               lt scope gt test lt  scope gt           lt  dependency gt       lt  dependencies gt       lt build gt           lt plugins gt               lt plugin gt                   lt groupId gt org apache maven plugins lt  groupId gt                   lt artifactId gt maven-war-plugin lt  artifactId gt                   lt version gt 2 1 1 lt  version gt               lt  plugin gt           lt  plugins gt       lt  build gt   lt  project gt    I tried to delete repositories and install again  I got this error always  It looks like I need help  I think my mojo plugin is broken but i re installed it several times  Any suggestions

User · Answer

Faced the same issue and resolved by upgrading my Maven from 3 0 4 to 3 1 1  Please try with v3 1 1 or any higher version if available

User · Answer

Make sure your Java version matches the project s Java version requirement  This could be an another cause for such kinds of issues

User · Answer

In my case the situation was this  I had an offline server on which I had to perform the build  For that I had compiled everything locally first and then transferred repository folder to the offline server  Problem - build works locally but not on the server  even thou they both have same maven version  same repository folder  same JDK  Cause  on my local machine I had additional custom  quot  quot  entry in settings xml  When I added same to the settings xml on the server then my issues disappeared

User · Answer

this happened to me too after adding the version tag  that was missing  to the maven-war-plugin  not sure what version was using by default  i changed to the latest  2 6 in my case   I had to wipe  m2 repository to have the build succeed again   I tried first to clean the maven-filtering folder  in the repo  but then instead of a MavenFilterException i was getting an ArchiverException  So i concluded the local repository was corrupted  for a version upgrade   and i deleted everything   That fixed it for me  Just clean your local repo

User · Answer

Does the class org apache maven shared filtering MavenFilteringException exist in file  C  Users utopcu  m2 repository org apache maven shared maven-filtering 1 0-beta-2 maven-filtering-1 0-beta-2 jar   The error message suggests that it doesn t  Maybe the JAR was corrupted somehow   I m also wondering where the version 1 0-beta-2 comes from  I have 1 0 on my disk  Try version 2 3 of the WAR plugin

User · Answer

This should fix the error   lt plugin gt        lt groupId gt org apache maven plugins lt  groupId gt        lt artifactId gt maven-resources-plugin lt  artifactId gt        lt version gt 2 7 lt  version gt        lt dependencies gt            lt dependency gt                lt groupId gt org apache maven shared lt  groupId gt                lt artifactId gt maven-filtering lt  artifactId gt                lt version gt 1 3 lt  version gt             lt  dependency gt         lt  dependencies gt   lt  plugin gt

User · Answer

You should add maven-resources-plugin in your pom xml file  Deleting    m2 repository does not work always             lt plugins gt               lt plugin gt                   lt groupId gt org apache maven plugins lt  groupId gt                   lt artifactId gt maven-resources-plugin lt  artifactId gt                   lt version gt 2 4 lt  version gt               lt  plugin gt           lt  plugins gt    Now build your project again  It should be successful

User · Answer

My solution below is for cases when default maven repositories are not accessible  e g  due to firewalls    In case the default repository is not accessible appropriate local  lt pluginRepository gt  has to be specified in the settings xml  If it s the same as your local artifact repository it still needs to be added to the  lt pluginRepositories gt  section for plugin jars to be found  Regular  lt repositories gt  section is not used to fetch plugin jars   In my case  however  the issue was caused by the fact that there were multiple plugin repositories defined in that section   The first repository in the list did not contain the required maven-filtering jar   I had to change the order of  lt pluginRepository gt  definitions to ensure the first one contains maven-filtering   Changing of repository definitions typically requires to clean    m2 repository and start fresh

User · Answer

Try to delete the maven folder at    m2 repository org apache maven and build your project again to force the maven libraries be downloaded  This worked for me the last time I faced this java lang NoClassDefFoundError  org apache maven shared filtering MavenFilteringException

[java] A required class was missing while executing org.apache.maven.plugins:maven-war-plugin:2.1.1:war

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