SecurityManager interfering with regular Eclipse Code

[guw]

Running with the connector installed I get the following exception when accessing Preferences > Plug-in Development > Target Platform.

An internal error occurred during: "Resolving "Running Platform" target definition".
access denied ("io.takari.builder.enforcer.SimpleFilePermission$FileReadPermission" "/Users/.../Applications/Eclipse.app/Contents/Eclipse/plugins/org.eclipse.core.databinding.source_1.7.700.v20191122-2109.jar")

java.security.AccessControlException: access denied ("io.takari.builder.enforcer.SimpleFilePermission$FileReadPermission" "/Users/.../Applications/Eclipse.app/Contents/Eclipse/plugins/org.eclipse.core.databinding.source_1.7.700.v20191122-2109.jar")
	at java.base/java.security.AccessControlContext.checkPermission(AccessControlContext.java:472)
	at java.base/java.security.AccessController.checkPermission(AccessController.java:897)
	at java.base/java.lang.SecurityManager.checkPermission(SecurityManager.java:322)
	at io.takari.builder.enforcer.ExecCommandPassingSecurityManager.checkRead(ExecCommandPassingSecurityManager.java:19)
	at java.base/java.io.File.exists(File.java:815)
	at org.eclipse.pde.core.target.TargetBundle.initialize(TargetBundle.java:164)
	at org.eclipse.pde.core.target.TargetBundle.<init>(TargetBundle.java:84)
	at org.eclipse.pde.internal.core.target.ProfileBundleContainer.lambda$0(ProfileBundleContainer.java:167)
	at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
	at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948)
	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
	at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
	at java.base/java.util.stream.Nodes$CollectorTask.doLeaf(Nodes.java:2191)
	at java.base/java.util.stream.Nodes$CollectorTask.doLeaf(Nodes.java:2157)
	at java.base/java.util.stream.AbstractTask.compute(AbstractTask.java:327)
	at java.base/java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:746)
	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:290)
	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1020)
	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1656)
	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1594)
	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)

I don't see problems in other areas of Eclipse. Thus, something must be different with this particular stack, which leads me to the ForkJoinPool issue (takari/io.takari.incrementalbuild#36)

[guw]

@ifedorenko this is probably a side effect of ForkJoinPool behavior change in JDK 11 (takari/io.takari.incrementalbuild#36)

Do you have a suggestion? Is it sane to just disable the SecurityManager inside Eclipse altogether?

[atanasenko]

@guw Did you get anywhere with this problem? I've seen these exceptions occasionally, but recent eclipse update seems to have made it much worse. Now all ForkJoinPool tasks throw access denied exceptions whenever there is a takari-lifecycle project in the workspace.

[guw]

No real solution. I have hacked another Eclipse plug-in with Early Startup extension to install a no-op SecurityManager and block Takari from installing its SecurityManager.