[jbosstools-issues] [JBoss JIRA] (JBIDE-20593) JBoss Tools builders are very slow with large jar libraries

[Viacheslav Kabanovich (JIRA)]

    [ https://issues.jboss.org/browse/JBIDE-20593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13106910#comment-13106910 ] 

Viacheslav Kabanovich commented on JBIDE-20593:
-----------------------------------------------

Partially. I believe that Jandex remains helpful for the case of many jars that are not Batch/CDI modules. If in checking jar we use JDT, then even though there is no more delay because of repeatedly created ZipFile, we would still cause loading type info objects in JDT for most jars that will not need after making sure that they are not modules, but the memory will remain used. 

> JBoss Tools builders are very slow with large jar libraries
> -----------------------------------------------------------
>
>                 Key: JBIDE-20593
>                 URL: https://issues.jboss.org/browse/JBIDE-20593
>             Project: Tools (JBoss Tools)
>          Issue Type: Bug
>          Components: batch, cdi
>    Affects Versions: 4.3.0.Beta2
>            Reporter: Viacheslav Kabanovich
>            Assignee: Viacheslav Kabanovich
>            Priority: Critical
>             Fix For: 4.3.0.CR1
>
>
> 1. Have a working Eclipse Mars workspace with Maven project with JBoss Tools 4.3.0.Beta2 installed.
> 2. Add the following glassfish-embedded-all : //developer 4 . jboss 1 dependency to pom . xml
> {code}
> <dependency>
>     <groupId>org.glassfish.main.extras</groupId>
>     <artifactId>glassfish-embedded-all</artifactId>
>     <version>4.1</version>
> </dependency>
> {code}
> 3. FAILURE: JBoss Knowledge Base Builder is started and takes about 5 minutes to finish.
> 4. FAILURE: Restart eclipse. JBoss Knowledge Base Builder is started again and takes about 5 minutes to finish.
> This jar is a big one. About 80MB.
> Typical stacktrace:
> {code}
> "Worker-2186" #3405 prio=5 os_prio=0 tid=0x000000000112f800 nid=0x4094 runnable [0x00007f60a8af0000]
>    java.lang.Thread.State: RUNNABLE
>   at java.util.zip.ZipFile.open(Native Method)
>   at java.util.zip.ZipFile.<init>(ZipFile.java:220)
>   at java.util.zip.ZipFile.<init>(ZipFile.java:150)
>   at java.util.zip.ZipFile.<init>(ZipFile.java:164)
>   at org.eclipse.jdt.internal.core.JavaModelManager.getZipFile(JavaModelManager.java:2678)
>   at org.eclipse.jdt.internal.core.JavaModelManager.getZipFile(JavaModelManager.java:2644)
>   at org.eclipse.jdt.internal.core.JarPackageFragmentRoot.getJar(JarPackageFragmentRoot.java:156)
>   at org.eclipse.jdt.internal.core.ClassFile.getJarBinaryTypeInfo(ClassFile.java:355)
>   at org.eclipse.jdt.internal.core.ClassFile.getBinaryTypeInfo(ClassFile.java:290)
>   at org.eclipse.jdt.internal.core.ClassFile.getBinaryTypeInfo(ClassFile.java:284)
>   at org.eclipse.jdt.internal.core.ClassFile.buildStructure(ClassFile.java:93)
>   at org.eclipse.jdt.internal.core.Openable.generateInfos(Openable.java:259)
>   at org.eclipse.jdt.internal.core.SourceRefElement.generateInfos(SourceRefElement.java:107)
>   at org.eclipse.jdt.internal.core.JavaElement.openWhenClosed(JavaElement.java:579)
>   at org.eclipse.jdt.internal.core.BinaryType.getElementInfo(BinaryType.java:287)
>   at org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:302)
>   at org.eclipse.jdt.internal.core.BinaryType.getAnnotations(BinaryType.java:185)
>   at org.jboss.tools.batch.internal.core.impl.definition.AbstractMemberDefinition.init(AbstractMemberDefinition.java:85)
>   at org.jboss.tools.batch.internal.core.impl.definition.AbstractTypeDefinition.init(AbstractTypeDefinition.java:62)
>   at org.jboss.tools.batch.internal.core.impl.definition.TypeDefinition.init(TypeDefinition.java:44)
>   at org.jboss.tools.batch.internal.core.impl.definition.AbstractMemberDefinition.setAnnotatable(AbstractMemberDefinition.java:60)
>   at org.jboss.tools.batch.internal.core.impl.definition.AbstractTypeDefinition.setType(AbstractTypeDefinition.java:56)
>   at org.jboss.tools.batch.internal.core.impl.BatchBuilder.build(BatchBuilder.java:259)
> {code}
> JDT opens new ZipFile for every queried type from that jar.



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