Beispiel #1
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldDumpProcessInformation() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void ShouldDumpProcessInformation()
        {
            // GIVEN
            File directory = TestDirectory.directory("dump");
            // a process spawned from this test which pauses at a specific point of execution
            string java = JavaExecutable.ToString();
//JAVA TO C# CONVERTER WARNING: The .NET Type.FullName property will not always yield results identical to the Java Class.getName method:
            Process process = Runtime.exec(new string[] { java,"-cp",ClassPath,typeof(DumpableProcess).FullName,SIGNAL });

            AwaitSignal(process);

            // WHEN
            // dumping process information for that spawned process (knowing it's in the expected position)
            DumpProcessInformation            dumper = new DumpProcessInformation(NullLogProvider.Instance,directory);
            ICollection <Pair <long,string> > pids   = dumper.GetJPids(containsString(typeof(DumpableProcess).Name));

            // bail if our Java installation is wonky and `jps` doesn't work
            assumeThat(pids.Count,greaterThan(0));

            Pair <long,string> pid = Iterables.single(pids);
            File threaddumpFile    = dumper.DoThreadDump(pid);

            process.destroy();

            // THEN
            // the produced thread dump should contain that expected method at least
//JAVA TO C# CONVERTER WARNING: The .NET Type.FullName property will not always yield results identical to the Java Class.getName method:
            assertTrue(FileContains(threaddumpFile,"traceableMethod",typeof(DumpableProcess).FullName));
        }
Beispiel #2
0
        /// <summary>
        /// Tests an issue where loading all relationship types and property indexes after
        /// the neostore data source had been started internally. The db would be in a
        /// state where it would need recovery for the neostore data source, as well as some
        /// other data source. This would fail since eventually TxManager#getTransaction()
        /// would be called, which would fail since it hadn't as of yet recovered fully.
        /// Whereas that failure would happen in a listener and merely be logged, one effect
        /// of it would be that there would seem to be no relationship types in the database.
        /// </summary>
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void recoverNeoAndIndexHavingAllRelationshipTypesAfterRecovery() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void RecoverNeoAndIndexHavingAllRelationshipTypesAfterRecovery()
        {
            // Given (create transactions and kill process, leaving it needing for recovery)
            File storeDir = TestDirectory.storeDir();

//JAVA TO C# CONVERTER WARNING: The .NET Type.FullName property will not always yield results identical to the Java Class.getName method:
            assertEquals(0, Runtime.exec(new string[] { JavaExecutable.ToString(), "-Djava.awt.headless=true", "-cp", ClassPath, this.GetType().FullName, storeDir.AbsolutePath }).waitFor());

            // When
            GraphDatabaseService db = (new TestGraphDatabaseFactory()).newEmbeddedDatabase(storeDir);

            // Then
            try
            {
                using (Transaction ignored = Db.beginTx(), ResourceIterator <RelationshipType> typeResourceIterator = Db.AllRelationshipTypes.GetEnumerator())
                {
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
                    assertEquals(MyRelTypes.TEST.name(), typeResourceIterator.next().name());
                }
            }
            finally
            {
                Db.shutdown();
            }
        }
Beispiel #3
0
        public virtual T Start(P parameter)
        {
            DispatcherTrapImpl callback;

            try
            {
                callback = new DispatcherTrapImpl(this, parameter);
            }
            catch (RemoteException e)
            {
                throw new Exception("Failed to create local RMI endpoint.", e);
            }
            Process    process;
            string     pid;
            Dispatcher dispatcher;

            try
            {
                string java = JavaExecutable.ToString();
//JAVA TO C# CONVERTER WARNING: The .NET Type.FullName property will not always yield results identical to the Java Class.getName method:
                process = Start(_inheritOutput, java, "-ea", "-Xmx1G", "-Djava.awt.headless=true", "-cp", ClassPath(), typeof(SubProcess).FullName, Serialize(callback));
                pid     = GetPid(process);
                // if IO was not inherited by current process we need to pipe error and input stream to corresponding
                // target streams
                if (!_inheritOutput)
                {
                    Pipe("[" + ToString() + ":" + pid + "] ", process.ErrorStream, ErrorStreamTarget());
                    Pipe("[" + ToString() + ":" + pid + "] ", process.InputStream, InputStreamTarget());
                }
                dispatcher = callback.Get(process);
            }
            catch (Exception t)
            {
                throw new Exception("Failed to start sub process", t);
            }
            finally
            {
                try
                {
                    UnicastRemoteObject.unexportObject(callback, true);
                }
                catch (RemoteException e)
                {
                    Console.WriteLine(e.ToString());
                    Console.Write(e.StackTrace);
                }
            }
            requireNonNull(dispatcher);
            Handler handler = new Handler(t, dispatcher, process, "<" + ToString() + ":" + pid + ">");

            return(t.cast(Proxy.newProxyInstance(t.ClassLoader, new Type[] { t }, Live(handler))));
        }
Beispiel #4
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @ParameterizedTest @ValueSource(ints = {0, 1}) @DisabledOnOs(org.junit.jupiter.api.condition.OS.WINDOWS) void creatingSwapperForExternallyLockedFileMustThrow(int noChannelStriping) throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        internal virtual void CreatingSwapperForExternallyLockedFileMustThrow(int noChannelStriping)
        {
            PageSwapperFactory factory = CreateSwapperFactory();

            factory.Open(_fileSystem, Configuration.EMPTY);
            File file = TestDir.file("file");

            _fileSystem.create(file).close();

//JAVA TO C# CONVERTER WARNING: The .NET Type.FullName property will not always yield results identical to the Java Class.getCanonicalName method:
            ProcessBuilder pb = new ProcessBuilder(JavaExecutable.ToString(), "-cp", ClassPath, typeof(LockThisFileProgram).FullName, file.AbsolutePath);
            File           wd = (new File("target/test-classes")).AbsoluteFile;

            pb.directory(wd);
            Process      process = pb.start();
            StreamReader stdout  = new StreamReader(process.InputStream);
            Stream       stderr  = process.ErrorStream;

            try
            {
                assumeThat(stdout.ReadLine(), @is(LockThisFileProgram.LOCKED_OUTPUT));
            }
            catch (Exception e)
            {
                int b = stderr.Read();
                while (b != -1)
                {
                    System.err.write(b);
                    b = stderr.Read();
                }
                System.err.flush();
                int exitCode = process.waitFor();
                Console.WriteLine("exitCode = " + exitCode);
                throw e;
            }

            try
            {
                assertThrows(typeof(FileLockException), () => CreateSwapper(factory, file, 4, NoCallback, true, Bool(noChannelStriping)));
            }
            finally
            {
                process.OutputStream.write(0);
                process.OutputStream.flush();
                process.waitFor();
            }
        }
Beispiel #5
0
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public static java.util.concurrent.Future<int> startSubProcess(Class mainClass, String... arguments) throws java.io.IOException
        public static Future <int> StartSubProcess(Type mainClass, params string[] arguments)
        {
            IList <string> args = new List <string>();

//JAVA TO C# CONVERTER WARNING: The .NET Type.FullName property will not always yield results identical to the Java Class.getName method:
            ((IList <string>)args).AddRange(asList(JavaExecutable.ToString(), "-cp", ClassPath, mainClass.FullName));
            ((IList <string>)args).AddRange(asList(arguments));
            Process process = Runtime.Runtime.exec(args.ToArray());
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final ProcessStreamHandler processOutput = new ProcessStreamHandler(process, false);
            ProcessStreamHandler processOutput = new ProcessStreamHandler(process, false);

            processOutput.Launch();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.concurrent.Future<int> realFuture = org.neo4j.helpers.FutureAdapter.processFuture(process);
            Future <int> realFuture = FutureAdapter.processFuture(process);

            return(new FutureAnonymousInnerClass(processOutput, realFuture));
        }
Beispiel #6
0
        private static string FindJavaExecutableAbsolutePath(string javaDirectoryAbsolutePath)
        {
            if (!Directory.Exists(javaDirectoryAbsolutePath))
            {
                return(string.Empty);
            }

            List <string> javaRuntimeDirectories = new List <string>(Directory.EnumerateDirectories(javaDirectoryAbsolutePath));

            if (javaRuntimeDirectories.Count == 0)
            {
                return(string.Empty);
            }

            List <JavaExecutable> javaExecutables = new List <JavaExecutable>();

            foreach (string javaRuntimePath in javaRuntimeDirectories)
            {
                string javaExecutableAbsolutePath = FindJavaExecutableAbsolutePathInJavaRuntimeDirectory(javaRuntimePath);
                if (javaExecutableAbsolutePath.Length > 0)
                {
                    JavaExecutable javaExecutable = new JavaExecutable(javaExecutableAbsolutePath, QueryJavaVersion(javaExecutableAbsolutePath));
                    if (javaExecutable.javaVersionString.Length == 0)
                    {
                        continue;
                    }

                    javaExecutables.Add(javaExecutable);
                }
            }

            if (javaExecutables.Count == 0)
            {
                return(string.Empty);
            }

            // sort by version and reverse result so that the most recent version is the first entry in the array
            javaExecutables.Sort();
            javaExecutables.Reverse();

            return(javaExecutables[0].javaExecutableAbsolutePath);
        }
Beispiel #7
0
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public static int runBackupToolFromOtherJvmToGetExitCode(java.io.File neo4jHome, java.io.PrintStream outPrintStream, java.io.PrintStream errPrintStream, boolean debug, String... args) throws Exception
        public static int RunBackupToolFromOtherJvmToGetExitCode(File neo4jHome, PrintStream outPrintStream, PrintStream errPrintStream, bool debug, params string[] args)
        {
//JAVA TO C# CONVERTER WARNING: The .NET Type.FullName property will not always yield results identical to the Java Class.getName method:
            IList <string> allArgs = new List <string>(Arrays.asList(JavaExecutable.ToString(), "-cp", ClassPath, typeof(AdminTool).FullName));

            allArgs.Add("backup");
            ((IList <string>)allArgs).AddRange(Arrays.asList(args));

            ProcessBuilder processBuilder = (new ProcessBuilder()).command(allArgs.ToArray());

            processBuilder.environment().put("NEO4J_HOME", neo4jHome.AbsolutePath);
            if (debug)
            {
                processBuilder.environment().put("NEO4J_DEBUG", "anything_works");
            }
            Process process = processBuilder.start();
            ProcessStreamHandler processStreamHandler = new ProcessStreamHandler(process, false, "", StreamConsumer.IGNORE_FAILURES, outPrintStream, errPrintStream);

            return(processStreamHandler.WaitForResult());
        }
Beispiel #8
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testHardCoreRecovery() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void TestHardCoreRecovery()
        {
            string path = TestDirectory.storeDir().Path;

//JAVA TO C# CONVERTER WARNING: The .NET Type.FullName property will not always yield results identical to the Java Class.getName method:
            Process process = Runtime.Runtime.exec(new string[] { JavaExecutable.ToString(), "-cp", ProcessUtil.ClassPath, typeof(Inserter).FullName, path });

            // Let it run for a while and then kill it, and wait for it to die
            AwaitFile(new File(path, "started"));
            Thread.Sleep(5000);
            process.destroy();
            process.waitFor();

            GraphDatabaseService db = null;

            try
            {
                db = (new TestGraphDatabaseFactory()).newEmbeddedDatabase(TestDirectory.storeDir());
                try
                {
                    using (Transaction transaction = Db.beginTx())
                    {
                        assertTrue(Db.index().existsForNodes("myIndex"));
                        Index <Node> index = Db.index().forNodes("myIndex");
                        foreach (Node node in Db.AllNodes)
                        {
                            foreach (string key in node.PropertyKeys)
                            {
                                string value = ( string )node.GetProperty(key);
                                bool   found = false;
                                using (IndexHits <Node> indexHits = index.get(key, value))
                                {
                                    foreach (Node indexedNode in indexHits)
                                    {
                                        if (indexedNode.Equals(node))
                                        {
                                            found = true;
                                            break;
                                        }
                                    }
                                }
                                if (!found)
                                {
                                    throw new System.InvalidOperationException(node + " has property '" + key + "'='" + value + "', but not in index");
                                }
                            }
                        }
                    }
                }
                catch (Exception e)
                {
                    if (Exceptions.contains(e, typeof(CorruptIndexException)) || ExceptionContainsStackTraceElementFromPackage(e, "org.apache.lucene"))
                    {
                        // On some machines and during some circumstances a lucene index may become
                        // corrupted during a crash. This is out of our control and since this test
                        // is about an explicit (a.k.a. legacy/manual) index the db cannot just re-populate the
                        // index automatically. We have to consider this an OK scenario and we cannot
                        // verify the index any further if it happens.
                        Console.Error.WriteLine("Lucene exception happened during recovery after a real crash. " + "It may be that the index is corrupt somehow and this is out of control and not " + "something this test can really improve on right now. Printing the exception for reference");
                        Console.WriteLine(e.ToString());
                        Console.Write(e.StackTrace);
                        return;
                    }

                    // This was another unknown exception, throw it so that the test fails with it
                    throw e;
                }

                // Added due to a recovery issue where the lucene data source write wasn't released properly after recovery.
                NodeCreator nodeCreator = new NodeCreator(db);
                Thread      t           = new Thread(nodeCreator);
                t.Start();
                t.Join();
            }
            finally
            {
                if (db != null)
                {
                    Db.shutdown();
                }
            }
        }