Sorry, I should've mentioned that this is 8u152. On Wed, Jan 3, 2018 at 11:56 AM, Vitaly Davidovich <vita...@gmail.com> wrote:
> Hi all, > > Consider the following stacktraces of the main app thread and a background > thread: > > "main" #1 prio=5 os_prio=0 tid=0x0000000001bfd000 nid=0x1958 waiting for > monitor entry [0x00002b98ceba3000] > > java.lang.Thread.State: BLOCKED (on object monitor) > > at java.lang.Runtime.loadLibrary0(Runtime.java:862) > > - waiting to lock <0x00000007bf834b20> (a > java.lang.Runtime) > > at java.lang.System.loadLibrary(System.java:1122) > > at sun.nio.fs.UnixNativeDispatche > r$1.run(UnixNativeDispatcher.java:573) > > at sun.nio.fs.UnixNativeDispatche > r$1.run(UnixNativeDispatcher.java:571) > > at java.security.AccessController.doPrivileged(Native > Method) > > at sun.nio.fs.UnixNativeDispatche > r.<clinit>(UnixNativeDispatcher.java:571) > > at sun.nio.fs.UnixFileSystem.<ini > t>(UnixFileSystem.java:67) > > at sun.nio.fs.LinuxFileSystem.<in > it>(LinuxFileSystem.java:39) > > at sun.nio.fs.LinuxFileSystemProv > ider.newFileSystem(LinuxFileSystemProvider.java:46) > > at sun.nio.fs.LinuxFileSystemProv > ider.newFileSystem(LinuxFileSystemProvider.java:39) > > at sun.nio.fs.UnixFileSystemProvi > der.<init>(UnixFileSystemProvider.java:56) > > at sun.nio.fs.LinuxFileSystemProvider.<init>( > LinuxFileSystemProvider.java:41) > > at > sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native > Method) > > at sun.reflect.NativeConstructorA > ccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) > > at sun.reflect.DelegatingConstruc > torAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) > > at java.lang.reflect.Constructor. > newInstance(Constructor.java:423) > > at java.lang.Class.newInstance(Class.java:442) > > at sun.nio.fs.DefaultFileSystemPr > ovider.createProvider(DefaultFileSystemProvider.java:48) > > at sun.nio.fs.DefaultFileSystemPr > ovider.create(DefaultFileSystemProvider.java:63) > > at java.nio.file.FileSystems$Defa > ultFileSystemHolder.getDefaultProvider(FileSystems.java:108) > > at java.nio.file.FileSystems$Defa > ultFileSystemHolder.access$000(FileSystems.java:89) > > at java.nio.file.FileSystems$Defa > ultFileSystemHolder$1.run(FileSystems.java:98) > > at java.nio.file.FileSystems$Defa > ultFileSystemHolder$1.run(FileSystems.java:96) > > at java.security.AccessController.doPrivileged(Native > Method) > > at java.nio.file.FileSystems$Defa > ultFileSystemHolder.defaultFileSystem(FileSystems.java:96) > > at java.nio.file.FileSystems$Defa > ultFileSystemHolder.<clinit>(FileSystems.java:90) > > at java.nio.file.FileSystems.getD > efault(FileSystems.java:176) > > at java.nio.file.Paths.get(Paths.java:84) > > at <some_package>.ServiceLoader.s > etup(ServiceLoader.java:446) > > at <some_package>.MetadataAdminLo > ader.main(MetadataAdminLoader.java:52) > > > > > > "shardDbExecutor-0-pool-0" #33 prio=5 os_prio=0 tid=0x0000000001ebf000 > nid=0x1d01 in Object.wait() [0x00002b991f941000] > > java.lang.Thread.State: RUNNABLE > > at java.nio.file.FileSystems.getD > efault(FileSystems.java:176) > > at java.nio.file.Paths.get(Paths.java:138) > > at sun.misc.Launcher$ExtClassLoad > er.findLibrary(Launcher.java:224) > > at java.lang.ClassLoader.loadLibr > ary(ClassLoader.java:1830) > > at java.lang.Runtime.loadLibrary0(Runtime.java:870) > > - locked <0x00000007bf834b20> (a java.lang.Runtime) > > at java.lang.System.loadLibrary(System.java:1122) > > at sun.security.ec.SunEC$1.run(SunEC.java:60) > > at sun.security.ec.SunEC$1.run(SunEC.java:58) > > at java.security.AccessController.doPrivileged(Native > Method) > > at sun.security.ec.SunEC.<clinit>(SunEC.java:58) > > at > sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native > Method) > > at sun.reflect.NativeConstructorA > ccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) > > at sun.reflect.DelegatingConstruc > torAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) > > at java.lang.reflect.Constructor. > newInstance(Constructor.java:423) > > at java.lang.Class.newInstance(Class.java:442) > > at sun.security.jca.ProviderConfi > g$2.run(ProviderConfig.java:221) > > at sun.security.jca.ProviderConfi > g$2.run(ProviderConfig.java:206) > > at java.security.AccessController.doPrivileged(Native > Method) > > at sun.security.jca.ProviderConfi > g.doLoadProvider(ProviderConfig.java:206) > > at sun.security.jca.ProviderConfi > g.getProvider(ProviderConfig.java:187) > > - locked <0x00000007bea03f48> (a > sun.security.jca.ProviderConfig) > > at sun.security.jca.ProviderList. > getProvider(ProviderList.java:233) > > at sun.security.jca.ProviderList. > getService(ProviderList.java:331) > > at sun.security.jca.GetInstance.g > etInstance(GetInstance.java:157) > > at javax.net.ssl.SSLContext.getIn > stance(SSLContext.java:156) > > at com.microsoft.sqlserver.jdbc.T > DSChannel.enableSSL(IOBuffer.java:1658) > > at com.microsoft.sqlserver.jdbc.S > QLServerConnection.connectHelper(SQLServerConnection.java:1976) > > at com.microsoft.sqlserver.jdbc.S > QLServerConnection.login(SQLServerConnection.java:1627) > > at com.microsoft.sqlserver.jdbc.S > QLServerConnection.connectInternal(SQLServerConnection.java:1458) > > at com.microsoft.sqlserver.jdbc.S > QLServerConnection.connect(SQLServerConnection.java:772) > > at com.microsoft.sqlserver.jdbc.S > QLServerDriver.connect(SQLServerDriver.java:1168) > > at java.sql.DriverManager.getConn > ection(DriverManager.java:664) > > at java.sql.DriverManager.getConn > ection(DriverManager.java:208) > > at <some_package>.ConnectionPool. > createGoodConnection(ConnectionPool.java:565) > > at <some_package>.ConnectionPool. > createNewConnection(ConnectionPool.java:519) > > at <some_package>.ConnectionPool. > getConnection(ConnectionPool.java:407) > > at <some_package>.StatementCachingConnectionImpl. > setupConnection(StatementCachingConnectionImpl.java:94) > > at <some_package>.StatementCachin > gConnectionImpl.<init>(StatementCachingConnectionImpl.java:54) > > at <some_package>.TestConnectionF > actories$FaultInjectingConnection.<init>(TestConnectionFactories.java:90) > > at <some_package>.TestConnectionF > actories.lambda$static$3(TestConnectionFactories.java:33) > > at <some_package>.TestConnectionFactories$$Lambda$12/ > 1738236591.newConnection(Unknown Source) > > at <some_package>.SedaExecutor.se > tupConnections(SedaExecutor.java:130) > > at <some_package>.SedaExecutor$Se > daThreadFactory.lambda$newThread$0(SedaExecutor.java:165) > > at <some_package>.SedaExecutor$Se > daThreadFactory$$Lambda$22/1392419022.run(Unknown Source) > > at java.lang.Thread.run(Thread.java:748) > > > The application intermittently hangs on startup, and the above callstacks > are present. It seems like there's a deadlock due to concurrent class > loading and default FileSystem initialization (which itself triggers class > loading here). > > I wasn't able to find any existing JBS entries reporting anything > similar. Am I seeing this right? Is this a known issue? > > Thanks >
