Maven plugins can not be found in IntelliJ

Question

After updating IntelliJ from version 12 to 13  the following Maven-related plugins cannot be resolved  org apache maven plugins maven-clean-plugin 2 4 1 org apache maven plugins maven-deploy-plugin org apache maven plugins maven-install-plugin org apache maven plugins maven-site-plugin  When using IntelliJ 12  these were not in the plugins list  Somehow they ve been added after the update and now IntelliJ complains they cannot be found  Where can I remove these plugins from the list OR resolve the problem by installing them  I can run maven goals clean and compile without problem  but the profile plugins appear red with warnings in the IDE

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I tried the other answers  but none of them solved this problem for me  The problem disappeared when I explicitly added the groupId like this   lt plugins gt       lt plugin gt           lt groupId gt org apache maven plugins lt  groupId gt           lt artifactId gt maven-clean-plugin lt  artifactId gt           lt version gt 3 1 0 lt  version gt       lt  plugin gt   lt  plugins gt   Once the color of the version number changed from red to black and the problem disappeared from the Problems tab the groupId can be removed again from the problematic plugin  the error does not show up again and the version number even shows up as suggestion for version

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I have change the Maven home directory from Bundled Maven 3  to Bundled Maven 2  in the maven setting  And this works for me  Have a try

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Run a Force re-import from the maven tool window  If that does not work  Invalidate your caches  File   Invalidate caches  and restart  Wait for IDEA to re-index the project

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This worked for me    Close IDEA Delete    iml  and   idea  -directories present in the root folder of project  Run  mvn clean install  from the command-line Re-import your project into IDEA   After re-importing the entire project  installation of dependencies will start which will take some minutes to complete depending upon your internet connection

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I am using IntelliJ Ultimate 2018 2 6 and found out  that the feature Reimport All Maven Project does not use the JDK  which is set in the Settings  Build  Execution  Deployment   Build Tools   Maven   Runner   Instead it uses it s own JRE in IntelliJ HOME jre64  by default  You can configure the JDK for the Importer in Build  Execution  Deployment   Build Tools   Maven   Importing   In my specific problem  an SSL certificate was missing in the JREs keystore  Unfortunately IDEA only logs this issue in it s own logfile  A little red box to inform about the RuntimeException had been really nice

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The red with warnings maven-site-plugin resolved after the build site Lifecycle     My IntelliJ version is Community 2017 2 4

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If problem persist  you can add manually the missing plugins files   For example if maven-site-plugins is missing  go to https   mvnrepository com artifact org apache maven plugins maven-site-plugin  Choice your version  and download files associated directly into your  m2 folder  in this example   C  Users   USERNAME   m2 repository org apache maven plugins maven-site-plugin   VERSION    In IntelliJ IDEA  open Maven sidebar  and reload  tooltip   Reimport All Maven projects

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Goto IntelliJ -  Preferences -  Plugin  Search for maven  you will see 1  Maven Integration 2  Maven Integration Extension   Select the Maven Integration option and restart your Intellij

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You can add them as dependencies    lt dependencies gt       lt dependency gt           lt groupId gt org apache maven plugins lt  groupId gt           lt artifactId gt maven-clean-plugin lt  artifactId gt           lt version gt 2 4 1 lt  version gt       lt  dependency gt   lt  dependencies gt    Intellij will resolve them  After successfull import dependencies  you can clean them

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I was recently faced with the same issue  None of the other solutions resolved the red error lines   What I did was run the actual targets in question  deploy  site   I could see those dependencies then being fetched   After that  a reimport did the trick

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I just delete all my maven plugins stored in  m2 repository org apache maven plugins  and IntelliJ downloaded  all the plugins again a it solve my problem and it worked fine for me

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IntelliJ IDEA and Maven -  Unresolved Plugin  Solutions  - in particular  deleting the plugin-folder - then reimporting all maven plugins after ide restart - worked for me

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this might help someone down the line  i faced similar issues  my system was not able to resolve the proxy server so connected to the local wifi hotpsot

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For me the Plugins were related to a Profile  I have to enable the relevant profile via Maven  right sidebar menu   Profiles and let the dependencies download

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For newer versions of IntelliJ  enable the use plugin registry option within the Maven settings as follows   Click File  Settings  Expand Build  Execution  Deployment  Build Tools  Maven  Check Use plugin registry  Click OK or Apply   For IntelliJ 14 0 1  open the preferences---not settings---to find the plugin registry option   Click File  Preferences   Regardless of version  also invalidate the caches   Click File  Invalidate Caches   Restart  Click Invalidate and Restart   When IntelliJ starts again the problem should be vanquished

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For me which worked is putting the repository which contained the plugin under pluginRepository tags  Example    lt pluginRepositories gt       lt pluginRepository gt           lt id gt pcentral lt  id gt           lt name gt pcentral lt  name gt           lt url gt https   repo1 maven org maven2 lt  url gt       lt  pluginRepository gt   lt  pluginRepositories gt

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Uncheck the  Work offline  checkbox in Maven settings

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My case   maven-javadoc-plugin with version 3 2 0 is displayed red in IntelliJ  Plugin is present in my local maven repo  Re-imported maven million times  Ran mvn clean install from the command line N times  All my maven settings in IntelliJ are correct  Tried to switch between Bundled and non-bundled Maven  Tried do delete the whole maven repo and to delete only the plugin from it  Nothing of the above worked  The only thing that almost always helps with modern IntelliJ IDEA versions is  quot Invalidate caches   Restart quot   It helped this time as well  maven-javadoc-plugin is not red anymore  and I can click on it and to to the source pom file of the plugin

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Tried invalidating cache  reimporting the project  removing  m2 folder partially and as a whole  and switching to the Idea bundled Maven  Nothing worked  and I ve finally broken Maven completely  when it would build the project in the console  now it stopped  Had to reinstall Maven  and it helped

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My solution was   Remove   HOME  m2 repository  Click on IntelliJ   gt  Invalidate Caches   Restart  Refresh Maven Project

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I had the same issue  I added the plugins into my pom xml dependencies and it works for me        lt dependency gt           lt groupId gt org apache maven plugins lt  groupId gt           lt artifactId gt maven-site-plugin lt  artifactId gt           lt version gt 3 3 lt  version gt           lt type gt maven-plugin lt  type gt       lt  dependency gt        lt dependency gt           lt groupId gt org apache maven plugins lt  groupId gt           lt artifactId gt maven-install-plugin lt  artifactId gt           lt version gt 2 4 lt  version gt           lt type gt maven-plugin lt  type gt       lt  dependency gt        lt dependency gt           lt groupId gt org apache maven plugins lt  groupId gt           lt artifactId gt maven-deploy-plugin lt  artifactId gt           lt version gt 2 7 lt  version gt           lt type gt maven-plugin lt  type gt       lt  dependency gt

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Check the plugins which cannot be found  maven-site-plugin maven-resources-plugin  go to   m2 repository org apache maven plugins   delete the directory rm -rf plugin-directory-name  eg  rm -rf maven-site-plugin   exit project from intellij import project again Do a Maven reimport   Explanation  when you do a maven reimport  it will download all the missing plugins again   Happy Coding

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Try to put the following code in your pom xml  If this does not work  try to change the  lt version gt 2 8 2 lt  version gt   diferent versions can be found in the maven repo    lt build gt       lt pluginManagement gt           lt plugins gt               lt plugin gt                   lt groupId gt org apache maven plugins lt  groupId gt                   lt artifactId gt maven-deploy-plugin lt  artifactId gt                   lt version gt 2 8 2 lt  version gt               lt  plugin gt           lt  plugins gt       lt  pluginManagement gt   lt  build gt

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This did the trick for me   delete all folders and files under  C  Users Windows User Account  m2 repository    Finally ran  Reimport All Maven Projects  in the Maven Project tab in IntelliJ

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If you have red squiggles underneath the project in the Maven plugin  try clicking the  Reimport All Maven Projects  button  looks like a refresh symbol

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None of the other answers worked for me  The solution that worked for me was to download the missing artifact manually via cmd  mvn dependency get -DrepoUrl http   repo maven apache org maven2  -Dartifact ro isdc wro4j wro4j-maven-plugin 1 8 0  After this change need to let know the Idea about new available artifacts  This can be done in  quot Settings  gt  Maven  gt  Repositories quot   select there your  quot Local quot  and simply click  quot Update quot   Edit  the -DrepoUrl seems to be deprecated  -DremoteRepositories should be used instead  Source  Apache Maven Dependency Plugin     dependency get

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I could solve this problem by changing  Maven home directory  from  Bundled  Maven 3  to   usr local Cellar maven 3 2 5 libexec  in the maven settings of IntelliJ  14 1 2

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SOLVED      This is how I fixed the issue      Tried one of the answers which include  could solve it by enabling  use plugin registry     Did enable that but no luck  Tried again one of the answers in the thread which says  If that does not work  Invalidate your caches  File   Invalidate caches  and restart   Did that but again no luck  Tried These options    Go to Settings --  Maven --  Importing and made sure the following was selected  Import Maven projects automatically   Create IDEA modules for aggregator projects Keep source      Exclude build dir      Use Maven output      Generated souces folders   detect automatically    Phase to be      process-resources    Automatically download   sources   amp   documentation    Use Maven3 to import   project VM options for importer  -Xmx512m  But again no success    Now lets say I had 10 such plugins which didn t get resolve and among them the  first was  org apache maven plugins maven-site-plugin  I went to   m2 repository org apache maven plugins   and deleted the directory   maven-site-plugin  and did a maven reimport again  Guess what  particular  missing plugin got dowloaded  And I just followed similar steps for other  missing plugins and all got resolved

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Here is what I tried to fix the issue and it worked    Manually deleted the existing plugin from the  m2 repo Enabled  use plugin registry  in IntelliJ Invalidated the cache and restarted IntelliJ Reimported the maven project in IntelliJ   After following above steps  the issue was fixed  Hopefully this helps you as well

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I experienced the same issue  What resolved it for me was simply uninstalling intelliJ and reinstalling it

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I had the same problem  After checking the pom xml file  found out that I have duplicated plugins for the surefire  After deleting and leaving only 1 inside the pom xml - issue resolved

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For me  there was a mistake in the settings xml  I was using http    in the url due to which it wasn t working  Once i removed it the plugins were downloaded successfully     lt proxy gt      lt id gt optional lt  id gt      lt active gt true lt  active gt      lt protocol gt http lt  protocol gt      lt host gt www-proxy xxxx com lt  host gt      lt port gt 80 lt  port gt     lt  --  lt nonProxyHosts gt local net lt  nonProxyHosts gt -- gt     lt  proxy gt      lt  -- Proxy for HTTPS -- gt     lt proxy gt      lt id gt optional1 lt  id gt      lt active gt true lt  active gt      lt protocol gt https lt  protocol gt      lt host gt www-proxy xxxx com lt  host gt      lt port gt 80 lt  port gt      lt  -- lt nonProxyHosts gt local net lt  nonProxyHosts gt -- gt     lt  proxy gt

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Recently I faced the same issue  All tips doesn t work in my cause  But I fix it  Go to Intellij idea setting  find Maven  and in it you need to open Repository tab and update maven and local repos  That s all

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In my case  I tried most of the answers above  I solve this problem by   Cleaning all items in the  m2 repository folder Uninstall Intellij Ultimate Version Install Community Version  It so amazingly worked

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For me  I download them manually and put theme in my  m2 folder then i did invalidate cache and restart  I m using Intellij IDEA   The steps are for example     lt groupId gt org codehaus mojo lt  groupId gt                 lt artifactId gt jdepend-maven-plugin lt  artifactId gt   lt version gt 2 0 lt  version gt      I go to https   mvnrepository com  then serch for  jdepend-maven-plugin choose the version 2 0 In Files go and click on View All  Download this files jdepend-maven-plugin-2 0 jar                    jdepend-maven-plugin-2 0 jar sh1                    jdepend-maven-plugin-2 0 pom                    jdepend-maven-plugin-2 0 pom sh1 go to  m2 folder then  org codehaus mojo Create folder with name  jdepend-maven-plugin inside with name  2 0 inside put the 4 files downloaded befor  create file with name  remote repositories open it with text editor and write inside       jdepend-maven-plugin-2 0 jar central    jdepend-maven-plugin-2 0 pom central     go to intellij IDEA invalidate cache and restart

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For me it was as simple as giving the plugin a version   lt version gt 3 3 0 lt  version gt   The full plugin code sample is given below   lt build gt   lt plugins gt     lt plugin gt       lt groupId gt org apache maven plugins lt  groupId gt       lt artifactId gt maven-assembly-plugin lt  artifactId gt       lt version gt 3 3 0 lt  version gt       lt executions gt         lt execution gt           lt phase gt package lt  phase gt           lt goals gt             lt goal gt single lt  goal gt           lt  goals gt           lt configuration gt             lt archive gt               lt manifest gt                 lt mainClass gt Main lt  mainClass gt               lt  manifest gt             lt  archive gt             lt descriptorRefs gt               lt descriptorRef gt jar-with-dependencies lt  descriptorRef gt             lt  descriptorRefs gt           lt  configuration gt         lt  execution gt       lt  executions gt     lt  plugin gt

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In my case  there were two slightly different dependences  version 2 1 vs 2 0  in two maven sub-modules  After I switched to a single version the error has gone in IDEA 14   Refresh and  m2 swipe didn t help

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If an artefact is not resolvable Go in the ditectory of your  m2 repository and check that you DON T have that kind of file    build-helper-maven-plugin-1 10 pom lastUpdated  If you don t have any artefact in the folder  just deleted it  and try again to re-import in IntelliJ   the content of those file is like     NOTE  This is an Aether internal implementation file  its format can be changed without prior notice   Fri Mar 10 10 36 12 CET 2017  default-central-https    repo maven apache org maven2  lastUpdated 1489138572430 https    repo maven apache org maven2  error Could not transfer artifact org codehaus mojo  build-helper-maven-plugin  pom  1 10 from to central  https    repo maven apache org maven2    connect timed out   Without the   lastUpdated file  IntelliJ  or Eclipse by the way  is enable to reload what is missing

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I had this problem for years with the maven-deploy plugin  and the error showed up even though I was not directly including the plugin in my POM  As a work-around I had to force include the plugin with a version into my POMs plugin section just to remove the red-squiggly   After trying every solution on Stack Overflow  I found the problem  Looking into my  m2 repository org apache maven plugins maven-deploy-plugin directory there was a version  X Y  along with  2 8 2  et al  So I deleted the entire maven-deploy-plugin directory  and then re-imported my Maven project   So it seems the issue is an IntelliJ bug in parsing the repository   I would not not remove the entire repository though  just the plugins that report an error

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I had the same error and was able to get rid of it by deleting my old Maven settings file  Then I updated the Maven plugins manually using the mvn command   mv    m2 settings xml    m2 settings xml old mvn -up   Finally I ran the  Reimport All Maven Projects  button in the Maven Project tab in IntelliJ  The errors vanished in my case

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Remove your local Maven unknown plugin and reimport all maven projects  This will fix this issue   You can find it under View  gt  Tool Windows  gt  Maven

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Enabling  quot use plugin registry quot  and Restart project after invalidate cash solved my problem to  Enabling  quot use plugin registry quot   gt  gt  gt   intelij  File  gt  Setting  gt  Maven  gt  enable the option from the option list of maven To invalidate cash  gt  gt  gt  file  gt  invalidate cash That s it

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