How to unpackage and repackage a WAR file

Question

I have a WAR file  I would like to open it  edit an XML file  remove some jars and then re-package it   I used WINRAR to open the WAR file and I removed some Jars and did an  Add to Archive  in WinRar and created a WAR   When I deployed the WAR in jboss folder  I got an exception      16 05 14 316 ERROR  org jboss msc service fail   MSC service thread 1-2      MSC00001  Failed to start service jboss deployment unit  myapplication war      STRUCTURE  org jboss msc service StartException in     service   jboss deployment unit  myapplication war  STRUCTURE      Failed to process phase STRUCTURE of deployment  myapplication war    How do I repackage the WAR

User · Answer

Non programmatically  you can just open the archive using the 7zip UI to add remove or extract replace files without the structure changing  I didn t know it was a problem using other things until now

User · Answer

I am sure there is ANT tags to do it but have used this 7zip hack in  bat script  I use http   www 7-zip org  command line tool  All the times I use this for changing jdbc url within j2ee context xml file   mkdir   temp-install c  apps commands 7za exe x -y mywebapp war META-INF context xml -otemp-install mywebapp   here I have small tool to replace text in xml file   c  apps commands 7za exe u -y -tzip mywebapp war   temp-install mywebapp   rmdir  Q  S   temp-install   You could extract entire  war file  its zip after all   delete files  replace files  add files  modify files and repackage to  war archive file  But changing one file in a large  war archive this might be best extracting specific file and then update original archive

User · Answer

This worked for me   mv xyz war   tmp cd tmp jar -xvf xyz war rm -rf WEB-INF lib zookeeper-3 4 10 jar rm -rf xyz war jar -cvf xyz war   mv xyz war     cd

User · Answer

Adapting from the above answers  this works for Tomcat  but can be adapted for JBoss as well or any container   sudo -u tomcat  opt tomcat bin shutdown sh cd  opt tomcat webapps sudo mkdir tmp  cd tmp sudo jar -xvf    myapp war  make edits    sudo vi WEB-INF classes templates fragments header html sudo vi WEB-INF classes application properties  end of making edits sudo jar -cvf myapp0 0 1 war   sudo cp myapp0 0 1 war    cd    sudo chown tomcat tomcat myapp0 0 1 war sudo rm -rf tmp sudo -u tomcat  opt tomcat bin startup sh

User · Answer

Maybe  you have modified the structure of the war or deploying it on a different server version  Checkout these links Error deploying war into JBoss AS 7  domain mode    quot Failed to process phase STRUCTURE of deployment quot  and https   community jboss org thread 199387 start 0 amp tstart 0 amp  sscc t

User · Answer

you can update your war from the command line using java commands as mentioned here   jar -uvf test war yourclassesdir    Other useful commands   Command to unzip explode the war file  jar -xvf test war   Command to create the war file  jar -cvf test war yourclassesdir    Eg   jar -cvf test war   jar -cvf test war WEB-INF META-INF

User · Answer

copy your war file to  tmp now extract the contents   cp warfile war  tmp cd  tmp unzip warfile war cd WEB-INF nano web xml  or vim or any editor you want to use  cd    zip -r -u warfile war WEB-INF   now you have in  tmp warfile war your file updated

User · Answer

no need to that  tomcat naturally extract the war file into a folder of the same name  you simply modify the desired file inside that folder  including  xml configuration files   that s all  technically no need to restart tomcat after applying the modifications

[java] How to unpackage and repackage a WAR file

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