Eclipse build consistently fails on Linux Mint with these two files:

- ObservableValueFluentBindingsTest
- LazyObjectBindingTest

Turns out the root cause is file name too long for the file system (eCryptfs) where the limit is 143 characters.

Error message:

eclipse.buildId=4.32.0.20240606-1231
java.version=21.0.2
java.vendor=Private Build
BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US
Framework arguments: -product org.eclipse.epp.package.java.product
Command-line arguments: -os linux -ws gtk -arch x86_64 -product org.eclipse.epp.package.java.product

org.eclipse.core.filesystem
Error
Tue Jun 18 13:54:29 PDT 2024
Could not delete: /home/ag/Projects/jfx-2/jfx/rt/modules/javafx.base/testbin/test/javafx/beans/value/ObservableValueFluentBindingsTest$When_flatMap_Called$WithNotNullReturns_ObservableValue_Which$WhenObservedForInvalidations$AndWhenUnobserved.class.

java.nio.file.FileSystemException: /home/ag/Projects/jfx-2/jfx/rt/modules/javafx.base/testbin/test/javafx/beans/value/ObservableValueFluentBindingsTest$When_flatMap_Called$WithNotNullReturns_ObservableValue_Which$WhenObservedForInvalidations$AndWhenUnobserved.class: File name too long
at java.base/sun.nio.fs.UnixException.translateToIOException(UnixException.java:100)
at java.base/sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:106)
at java.base/sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:111)
at java.base/sun.nio.fs.UnixFileSystemProvider.implDelete(UnixFileSystemProvider.java:291)
at java.base/sun.nio.fs.AbstractFileSystemProvider.deleteIfExists(AbstractFileSystemProvider.java:109)
at java.base/java.nio.file.Files.deleteIfExists(Files.java:1191)
at org.eclipse.core.internal.filesystem.local.LocalFile.internalDelete(LocalFile.java:242)
at org.eclipse.core.internal.filesystem.local.LocalFile.delete(LocalFile.java:159)
at org.eclipse.core.internal.resources.File.create(File.java:180)
at org.eclipse.jdt.internal.core.builder.AbstractImageBuilder.writeClassFileContents(AbstractImageBuilder.java:927)
at org.eclipse.jdt.internal.core.builder.AbstractImageBuilder.writeClassFile(AbstractImageBuilder.java:903)
at org.eclipse.jdt.internal.core.builder.AbstractImageBuilder.acceptResult(AbstractImageBuilder.java:217)
at org.eclipse.jdt.internal.compiler.Compiler.processCompiledUnits(Compiler.java:614)
at org.eclipse.jdt.internal.compiler.Compiler.compile(Compiler.java:474)
at org.eclipse.jdt.internal.compiler.Compiler.compile(Compiler.java:425)
at org.eclipse.jdt.internal.core.builder.AbstractImageBuilder.compile(AbstractImageBuilder.java:410)
at org.eclipse.jdt.internal.core.builder.BatchImageBuilder.compile(BatchImageBuilder.java:211)
at org.eclipse.jdt.internal.core.builder.AbstractImageBuilder.compile(AbstractImageBuilder.java:341)
at org.eclipse.jdt.internal.core.builder.BatchImageBuilder.build(BatchImageBuilder.java:79)
at org.eclipse.jdt.internal.core.builder.JavaBuilder.buildAll(JavaBuilder.java:289)
at org.eclipse.jdt.internal.core.builder.JavaBuilder.build(JavaBuilder.java:192)
at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:1077)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:47)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:296)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:352)
at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:441)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:47)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:444)
at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:555)
at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:503)
at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:585)
at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:207)
at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:300)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)