On Wed, 16 Aug 2023 13:36:38 GMT, Matthias Baesken <mbaes...@openjdk.org> wrote:
> We run into some BackingStoreException: Couldn't get file lock. e.g. here : > > [JShell] Exception in thread "main" java.lang.IllegalStateException: > java.util.prefs.BackingStoreException: Couldn't get file lock. > [JShell] at > jdk.jshell/jdk.internal.jshell.tool.JShellToolBuilder$PreferencesStorage.flush(JShellToolBuilder.java:313) > [JShell] at > jdk.jshell/jdk.internal.jshell.tool.JShellTool$ReplayableHistory.storeHistory(JShellTool.java:692) > [JShell] at > jdk.jshell/jdk.internal.jshell.tool.JShellTool.start(JShellTool.java:1008) > [JShell] at > jdk.jshell/jdk.internal.jshell.tool.JShellToolBuilder.start(JShellToolBuilder.java:261) > [JShell] at > jdk.jshell/jdk.internal.jshell.tool.JShellToolProvider.main(JShellToolProvider.java:120) > [JShell] Caused by: java.util.prefs.BackingStoreException: Couldn't get file > lock. > [JShell] at > java.prefs/java.util.prefs.FileSystemPreferences.sync(FileSystemPreferences.java:769) > [JShell] at > java.prefs/java.util.prefs.FileSystemPreferences.flush(FileSystemPreferences.java:864) > [JShell] at > jdk.jshell/jdk.internal.jshell.tool.JShellToolBuilder$PreferencesStorage.flush(JShellToolBuilder.java:311) > [JShell] ... 4 more > > The BackingStoreException should be enhanced e.g. by adding the > errno/errorCode that is already available in the coding Btw printing just the errno - integer code looks not so nice first but on a lot of distros there are already OS tools that convert it for you so it is easy to get the string from the int value. :~$ apt install moreutils :~$ errno 11 EAGAIN 11 Resource temporarily unavailable Having said that , I could still hardwire a couple of important errnos on Java level like Roger suggested > If there are only a couple of errno's that occur for these cases, it might be > easier to hardwire the translation. ------------- PR Comment: https://git.openjdk.org/jdk/pull/15308#issuecomment-1691522291
