Errors running builder 'Scala Builder' on scala project - eclipse IDE mars

[deepak dabi]

HI There,

I am trying to use eclipse + Scala + maven. My Normal project (without maven) which works fine. When i add maven to this then the problem starts. it always show issue "Errors occurred during the build.
Errors running builder 'Scala Builder' on project 'scalatest' ". I have seen problem tab which has no issue. but into Error log i see :-

Error thrown while initializing the presentation compiler. - org.scala-ide.sdt.core
invalid LOC header (bad signature) -  org.eclipse.jdt.core

i tried doing multiple install-un-intalling component in eclipse. with all possible maven clean/verify/etc but still none of this working, below are my s/w details.:-

eclipse (mars j2ee) / Scala ide :- 4.2 /  java 8.

One more issue is (without mavan run as scala application is showing ) after maven its now.

Any help on above is appreciated .

Thanks,
Deepak dabi

[Simon Schäfer]

Is it possible for you to update to the latest Eclipse and Scala IDE versions and then try again?

---- On Mon, 22 Aug 2016 04:24:25 +0200 deepak dabi <deepak...@gmail.com>wrote ----

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[Janek Lasocki-Biczysko]

I've got the same issue happening to me.

Have attached the exported error log (from Eclipse's Error Log view)

My .classpath file looks like this:

<?xml version="1.0" encoding="UTF-8"?>

<classpath>

<classpathentry kind="src" output="target/classes" path="src/main/java">

<attributes>

<attribute name="optional" value="true"/>

<attribute name="maven.pomderived" value="true"/>

</attributes>

</classpathentry>

<classpathentry kind="src" output="target/test-classes" path="src/test/scala">

<attributes>

<attribute name="optional" value="true"/>

<attribute name="maven.pomderived" value="true"/>

</attributes>

</classpathentry>

<classpathentry excluding="**" kind="src" output="target/test-classes" path="src/test/resources">

<attributes>

<attribute name="maven.pomderived" value="true"/>

</attributes>

</classpathentry>

<classpathentry kind="con" path="org.scala-ide.sdt.launching.SCALA_CONTAINER"/>

<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER">

<attributes>

<attribute name="maven.pomderived" value="true"/>

</attributes>

</classpathentry>

<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">

<attributes>

<attribute name="maven.pomderived" value="true"/>

</attributes>

</classpathentry>

<classpathentry kind="output" path="target/classes"/>

</classpath>

and my .project looks like this:

<?xml version="1.0" encoding="UTF-8"?>

<projectDescription>

<name>XXX</name>

<comment></comment>

<projects>

</projects>

<buildSpec>

<buildCommand>

<name>org.scala-ide.sdt.core.scalabuilder</name>

<arguments>

</arguments>

</buildCommand>

<buildCommand>

<name>org.eclipse.m2e.core.maven2Builder</name>

<arguments>

</arguments>

</buildCommand>

</buildSpec>

<natures>

<nature>org.scala-ide.sdt.core.scalanature</nature>

<nature>org.eclipse.jdt.core.javanature</nature>

<nature>org.eclipse.m2e.core.maven2Nature</nature>

</natures>

</projectDescription>

[Janek Lasocki-Biczysko]

The info posted in my previous comment was all gathered using Scala IDE Build id: 4.4.1-vfinal-2016-05-04T11:16:00Z-Typesafe

On Monday, 22 August 2016 10:38:54 UTC+1, Simon Schäfer wrote:

[wpopie...@virtuslab.com]

Looking at it...

W.