Package doesn t exist error in intelliJ

Question

I m trying to use the barbecue barcode printing library  I have successfully added the library to IntelliJ through project structure add library   Then I imported the packages and wrote the methods  which gave me no error   The packages were available in the class   But when I compile it gives me the error   error  package net sourceforge barbecue does not exist   How can this be   I m coding in ubuntu  is there any other place to which I have to add the library   Thanks  Tika

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As someone who only occasionally needs to do Java work  this was very annoying  Inevitably  packages would have been added since the last time I ran our server inside IntelliJ and it would fail to build  I found what seems to be an easier solution  just don t build within IntelliJ  Build from the command line via Maven  then make sure that the run configuration does not list Build as a  Before launch  task

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None of the 13 existing answers worked for me  However  I could resolve the issue by first removing all modules    open File   Project Structure     go to Modules tab  select all modules and press the remove button    then removing all remaining Maven modules from Maven tool window    select all modules  right click on them   press Remove projects    and then adding them again in Project tool window    right click on root pom xml  press Add as Maven project    now unignoring any ignored modules from Maven tool window    select all ignored  grey  Maven modules  right click on them  press Unignore    and finally rebuilding using Build   Rebuild project  This assumes that a mvn clean install already happened

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It s a very annoying problem which happens quite often  Especially after switching to a different git branch  It wasted me way too much time to troubleshoot this kind problem  I have tried all the methods above  But I can t find a reliable way  Here I just summarize those steps which could help in my situation  Jetbrains  please fix this issue to save your customer s precious time    Make sure do a success command line build  If UT failed  please ignore UT by using -Dmaven test skip true  In the  Maven Projects  view  try to use  reimport  all the maven project  In the file menu  use  Invalidate Caches  Delete  idea folder  basically create the workspace from scratch   That s the only reliable way can solve this issue

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If you do not want to destroy  idea  you can try     open Project Structure   Modules unmark the java folder as a source folder apply   rebuild then mark it again as a source folder rebuild

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menu - gt  build - gt  Rebuild Project   has worked for me   Invalidating caches without this step doesn t help

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In my case the problem was that there was a different repository directory configuration in IntelliJ and in settings xml file  Check both repository directories are the same  IntelliJ  File  gt  Settings  gt  Build Execution Deployment  gt  Build Tools  gt  Maven    settings xml  usually in C  Users myuser  m2 or  home myuser  m2   lt settings xmlns  quot http   maven apache org SETTINGS 1 0 0 quot    xmlns xsi  quot http   www w3 org 2001 XMLSchema-instance quot    xsi schemaLocation  quot http   maven apache org SETTINGS 1 0 0                       http   maven apache org xsd settings-1 0 0 xsd quot  gt            lt localRepository gt C  Users myuser  m2 repository lt  localRepository gt         lt  settings gt   After fixing directories run   Generate Folders and Update Sources for All Projects    Reimport all maven projects

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I had the same problem  I fixed it by applying the android-apt plugin https   bitbucket org hvisser android-apt

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Tried all the above approaches  didn t work  Finally running maven clean install solved it

User · Answer

I tried   quot Maven  gt  Reimport quot  Deleting the  idea directory  and reopening the project  File - gt  Invalidate Caches Restart then Build - gt  Rebuild Project Deleting what is inside local  m2 folder  and downloading dependencies again  Running mvn idea idea in Maven console  Though this command is obsolete  I had to try    in different combinations  But going from Intellij 2020 version to 2019 solved my issue

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Here is a solution worked for me  Disable the  Use --release option for cross-compilation like the following in intellij idea  got Settings -  Build Execution Deployment -  Compiler -  Java Compiler and disable       Use  --release  option for cross compilation java 9 and later

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In my case the only thing that worked is   mvn idea idea   The good thing is that you don t have to delete  idea folder or  iml files and loose all configuration  Everything will be preserved    Possibly something like gradle idea works for gradle too

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I tried all appreciated answers and none of them solve my problem   According to Intellij community  there is a bug  with Maven builds in 2020 1 and 2020 1 1 versions  https   youtrack jetbrains com issue IDEA-237320  ga 2 235486722 203129946 1591253608-322129264 1584010541  Please try to run on 2019 3 4 version  Its worked for me from the first time   You can download from here  https   www jetbrains com idea download previous html  ga 2 190043688 203129946 1591253608-322129264 1584010541

User · Answer

Just reimport didn t work  Following worked for me        File -  Invalidate Caches  Restart   Then      Build -  Rebuild Project   That will reimport maven project

User · Answer

Invalidate Caches  Restart and then Build -  Rebuild Project helped for me

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I tried compile a java 8 project with JDK 12 and has the same issue  None of previous answer solved my problem   I changed o Shortel Command Line to  JAR Manifest  and worked like a charm

User · Answer

I tried to  Maven   Reimport  but the only thing that actually fixed it was to close the project  delete the  idea directory  and reopen the project

User · Answer

Quit IntelliJ  remove every  idea directory    rm -Rf     idea     and restart

User · Answer

I did re-import all maven projects  This worked for me

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Maven reimport  rebuild and invalidate caches did not work  I solved it by opening a terminal and executing maven clean install in the root folder project   IntelliJ was opened and I was able to see the IDE updating and triggering reindexation while maven was doing his job

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If you are trying the suggested ways and still no chance  be sure about your order    Delete your  idea  Invalidate and Restart Cache afterwards Import maven projects from your maven tool   If you did not invalidate and restart cache just after deleting your  idea   Intellij keeps generating it and that was keeping error in my case

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I had the same problem and it was fixed for me by changing the  Maven home directory  in Settings from  Bundled  to my locally installed maven   Perhaps this triggered some kind of refresh somewhere since I had not changed this setting for months without any issue

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In case you re facing very weird  unable to resolve java  sun packages problem   try the following    Open Project Structure and change Project SDK to another version  example  java 8 -  9  11- 13  etc  and wait until it re-index all jdk s jars  Switch between jdks with same version may not work   Ex  jetbrains jdk11 -  openjdk 11  Open a new project  or create a empty one   pause new project s indexing  close the old one  start indexing  open the old project and pause the new project s indexing and wait

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If you added a library to the project structure  rather than via maven  that would be different   be sure it is included as a dependency for the relevant module   Project Structure -  Modules -  Dependencies

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Right click your project   Maven  at bottom    Reimport  Edit  much later  I also saw this happen much more frequently when I had the Clover plugin installed   Drop that plugin like a bad habit

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What happens here is the particular package is not available in the cache  Resetting will help solve the problem    File -  Invalidate Caches  Restart Goto terminal and build the project again    gradlew build    This should download all the missing packages again

User · Answer

For me worked   Reimport Invalidate Caches  Resart Rebuild Project

[java] Package doesn't exist error in intelliJ

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