There is a Java Error in the File Explorer in MATLAB 2018b on MacOS Mojave

This was the error output:

Exception in thread "Explorer NavigationContext request queue": java.lang.OutOfMemoryError: GC overhead limit exceeded

at java.util.Arrays.copyOf(Arrays.java:3332)

at java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:124)

at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:448)

at java.lang.StringBuilder.append(StringBuilder.java:136)

at com.mathworks.matlab.api.explorer.FileLocation.<init>(FileLocation.java:91)

at com.mathworks.matlab.api.explorer.FileLocation.getParent(FileLocation.java:126)

at com.mathworks.mlwidgets.explorer.model.vfs.VirtualFileSystem.resolveLocation(VirtualFileSystem.java:285)

at com.mathworks.mlwidgets.explorer.model.vfs.VirtualFileSystem.getTarget(VirtualFileSystem.java:276)

at com.mathworks.mlwidgets.explorer.model.vfs.VirtualFileSystem.resolveLocation(VirtualFileSystem.java:285)

at com.mathworks.mlwidgets.explorer.model.vfs.VirtualFileSystem.getTarget(VirtualFileSystem.java:276)

at com.mathworks.mlwidgets.explorer.model.vfs.VirtualFileSystem.resolveLocation(VirtualFileSystem.java:285)

at com.mathworks.mlwidgets.explorer.model.vfs.VirtualFileSystem.getTarget(VirtualFileSystem.java:276)

at com.mathworks.mlwidgets.explorer.model.vfs.VirtualFileSystem.resolveLocation(VirtualFileSystem.java:285)

at com.mathworks.mlwidgets.explorer.model.vfs.VirtualFileSystem.getTarget(VirtualFileSystem.java:276)

at com.mathworks.mlwidgets.explorer.model.vfs.VirtualFileSystem.isMountPoint(VirtualFileSystem.java:239)

at com.mathworks.mlwidgets.explorer.model.vfs.VirtualFileSystem.toExternalEntry(VirtualFileSystem.java:324)

at com.mathworks.mlwidgets.explorer.model.vfs.VirtualFileList.getLocationEntry(VirtualFileList.java:47)

at com.mathworks.mlwidgets.explorer.model.table.UiFileList$PollingNotificationMacPathsWorkaround.<init>(UiFileList.java:545)

at com.mathworks.mlwidgets.explorer.model.table.UiFileList.diffAndSendEvents(UiFileList.java:418)

at com.mathworks.mlwidgets.explorer.model.table.UiFileList.updateCache(UiFileList.java:396)

at com.mathworks.mlwidgets.explorer.model.table.UiFileList.readAndUpdateCache(UiFileList.java:372)

at com.mathworks.mlwidgets.explorer.model.table.UiFileList.access$500(UiFileList.java:45)

at com.mathworks.mlwidgets.explorer.model.table.UiFileList$6.run(UiFileList.java:325)

at com.mathworks.util.RequestQueue.execute(RequestQueue.java:129)

at com.mathworks.util.RequestQueue.access$000(RequestQueue.java:25)

at com.mathworks.util.RequestQueue$2.run(RequestQueue.java:79)

at java.lang.Thread.run(Thread.java:748)

[Mark Sherstan]

What were you trying to do when the error occured? Have you repeated the problem?

[Xu wen]

I encountered the same problem. The problem happens as soon as I opened Matlab.