List of usage examples for java.lang Process getClass
@HotSpotIntrinsicCandidate public final native Class<?> getClass();
From source file:uk.ac.susx.tag.method51.core.organise.subprocess.JVMInstance.java
public void run(ProcessBuilder pb) throws IOException { Process process = pb.start(); //new StreamGobbler(process.getErrorStream()).start(); try {// w w w . ja v a 2 s. c o m Field f = process.getClass().getDeclaredField("pid"); f.setAccessible(true); int pid = f.getInt(process); writePid(pid); } catch (NoSuchFieldException | IllegalAccessException e) { LOG.error("Exception caught", e); } }
From source file:metadata.etl.dataset.hdfs.HdfsMetadataEtl.java
private void extractLocal() throws Exception { URL localJarUrl = classLoader.getResource("jar/schemaFetch.jar"); String homeDir = System.getProperty("user.home"); String remoteJarFile = homeDir + "/.wherehows/schemaFetch.jar"; File dest = new File(remoteJarFile); try {//from w w w .ja v a 2 s . c om FileUtils.copyURLToFile(localJarUrl, dest); } catch (Exception e) { logger.error(e.toString()); } String outputSchemaFile = prop.getProperty(Constant.HDFS_SCHEMA_LOCAL_PATH_KEY); String outputSampleDataFile = prop.getProperty(Constant.HDFS_SAMPLE_LOCAL_PATH_KEY); String cluster = prop.getProperty(Constant.HDFS_CLUSTER_KEY); String whiteList = prop.getProperty(Constant.HDFS_WHITE_LIST_KEY); String numOfThread = prop.getProperty(Constant.HDFS_NUM_OF_THREAD_KEY, String.valueOf(1)); String hdfsUser = prop.getProperty(Constant.HDFS_REMOTE_USER_KEY); // String hdfsKeyTab = prop.getProperty(Constant.HDFS_REMOTE_KEYTAB_LOCATION_KEY); String hdfsExtractLogFile = outputSchemaFile + ".log"; String[] hadoopCmd = { "hadoop", "jar", remoteJarFile, "-D" + Constant.HDFS_SCHEMA_REMOTE_PATH_KEY + "=" + outputSchemaFile, "-D" + Constant.HDFS_SAMPLE_REMOTE_PATH_KEY + "=" + outputSampleDataFile, "-D" + Constant.HDFS_CLUSTER_KEY + "=" + cluster, "-D" + Constant.HDFS_WHITE_LIST_KEY + "=" + whiteList, "-D" + Constant.HDFS_NUM_OF_THREAD_KEY + "=" + numOfThread, "-D" + Constant.HDFS_REMOTE_USER_KEY + "=" + hdfsUser, "-Dlog.file.name=hdfs_schema_fetch" }; // delete the line (no kerberos needed): "-D" + Constant.HDFS_REMOTE_KEYTAB_LOCATION_KEY + "=" + hdfsKeyTab, ProcessBuilder pb = new ProcessBuilder(hadoopCmd); File logFile = new File(hdfsExtractLogFile); pb.redirectErrorStream(true); pb.redirectOutput(ProcessBuilder.Redirect.appendTo(logFile)); Process process = pb.start(); int pid = -1; if (process.getClass().getName().equals("java.lang.UNIXProcess")) { /* get the PID on unix/linux systems */ try { Field f = process.getClass().getDeclaredField("pid"); f.setAccessible(true); pid = f.getInt(process); } catch (Throwable e) { } } logger.info("executue command [PID=" + pid + "]: " + hadoopCmd); // wait until this process finished. int execResult = process.waitFor(); // if the process failed, log the error and throw exception if (execResult > 0) { BufferedReader br = new BufferedReader(new InputStreamReader(process.getErrorStream())); String errString = "HDFS Metadata Extract Error:\n"; String line = ""; while ((line = br.readLine()) != null) errString = errString.concat(line).concat("\n"); logger.error("*** Process failed, status: " + execResult); logger.error(errString); throw new Exception("Process + " + pid + " failed"); } }
From source file:azkaban.jobExecutor.utils.process.AzkabanProcess.java
/** * Attempt to get the process id for this process * /*from www . j a va2 s . c om*/ * @param process The process to get the id from * @return The id of the process */ private int processId(final java.lang.Process process) { int processId = 0; try { Field f = process.getClass().getDeclaredField("pid"); f.setAccessible(true); processId = f.getInt(process); } catch (Throwable e) { e.printStackTrace(); } return processId; }
From source file:com.netflix.genie.core.jobs.workflow.impl.JobKickoffTask.java
/** * Helper method to get process id for the given process. * * @param proc java process object representing the job launcher * @return pid for this process/* w ww . ja v a 2s . co m*/ * @throws GenieException if there is an error getting the process id */ private int getProcessId(final Process proc) throws GenieException { log.debug("called"); try { final Field f = proc.getClass().getDeclaredField(JobConstants.PID); f.setAccessible(true); return f.getInt(proc); } catch (final IllegalAccessException | IllegalArgumentException | NoSuchFieldException | SecurityException e) { final String msg = "Can't get process id for job"; log.error(msg, e); throw new GenieServerException(msg, e); } }
From source file:net.pms.service.ProcessManager.java
/** * Retrieves the process ID (PID) for the specified {@link Process}. * * @param process the {@link Process} for whose PID to retrieve. * @return The PID or zero if the PID couldn't be retrieved. *//* w w w . j a va2s . com*/ public static int getProcessId(@Nullable Process process) { if (process == null) { return 0; } try { Field field; if (Platform.isWindows()) { field = process.getClass().getDeclaredField("handle"); field.setAccessible(true); int pid = Kernel32.INSTANCE.GetProcessId(new HANDLE(new Pointer(field.getLong(process)))); if (pid == 0 && LOGGER.isDebugEnabled()) { int lastError = Kernel32.INSTANCE.GetLastError(); LOGGER.debug("KERNEL32.getProcessId() failed with error {}", lastError); } return pid; } field = process.getClass().getDeclaredField("pid"); field.setAccessible(true); return field.getInt(process); } catch (Exception e) { LOGGER.warn("Failed to get process id for process \"{}\": {}", process, e.getMessage()); LOGGER.trace("", e); return 0; } }
From source file:net.pms.service.ProcessManager.java
/** * Checks if the process is still alive using reflection if possible. * * @param process the {@link Process} to check. * @return {@code true} if the process is still alive, {@code false} * otherwise./* w ww . j ava 2 s. c o m*/ */ @SuppressFBWarnings("REC_CATCH_EXCEPTION") public static boolean isProcessIsAlive(@Nullable Process process) { if (process == null) { return false; } // XXX replace with Process.isAlive() in Java 8 try { Field field; field = process.getClass().getDeclaredField("handle"); field.setAccessible(true); long handle = (long) field.get(process); field = process.getClass().getDeclaredField("STILL_ACTIVE"); field.setAccessible(true); int stillActive = (int) field.get(process); Method method; method = process.getClass().getDeclaredMethod("getExitCodeProcess", long.class); method.setAccessible(true); int exitCode = (int) method.invoke(process, handle); return exitCode == stillActive; } catch (Exception e) { // Reflection failed, use the backup solution } try { process.exitValue(); return false; } catch (IllegalThreadStateException e) { return true; } }
From source file:com.baifendian.swordfish.execserver.job.ProcessJob.java
/** * id//from w w w .j a v a 2 s . c o m * * @param process ? * @return id */ private int getProcessId(Process process) { int processId = 0; try { Field f = process.getClass().getDeclaredField("pid"); f.setAccessible(true); processId = f.getInt(process); } catch (Throwable e) { logger.error(e.getMessage(), e); } return processId; }
From source file:com.netflix.genie.server.jobmanager.impl.JobManagerImpl.java
/** * Get process id for the given process. * * @param proc java process object representing the job launcher * @return pid for this process//from w w w . j a va 2 s . c o m * @throws GenieException if there is an error getting the process id */ private int getProcessId(final Process proc) throws GenieException { LOG.debug("called"); try { final Field f = proc.getClass().getDeclaredField(PID); f.setAccessible(true); return f.getInt(proc); } catch (final IllegalAccessException | IllegalArgumentException | NoSuchFieldException | SecurityException e) { final String msg = "Can't get process id for job"; LOG.error(msg, e); throw new GenieServerException(msg, e); } }
From source file:it.illinois.adsc.ema.softgrid.monitoring.ui.SPMainFrame.java
public void destroyProcess(Process process) { final String classGetName = process.getClass().getName(); if ("JAVA_LANG_WIN32_PROCESS".equals(classGetName) || "java.lang.ProcessImpl".equals(process.getClass().getName())) { // determine the pid on windowsplattforms process.destroy();//from w w w. j av a 2s. c om try { Field field = process.getClass().getDeclaredField("handle"); field.setAccessible(true); final int pid = Kernel32.INSTANCE.GetProcessId((Long) field.get(process)); // killing the task. Runtime.getRuntime().exec("taskkill " + pid); } catch (SecurityException e) { System.out.println("Error in Killing the process:" + e); } catch (NoSuchFieldException e) { System.out.println("Error in Killing the process:" + e); } catch (IOException e) { System.out.println("Error in Killing the process:" + e); } catch (IllegalArgumentException e) { System.out.println("Error in Killing the process:" + e); } catch (IllegalAccessException e) { System.out.println("Error in Killing the process:" + e); } } }
From source file:org.wso2.carbon.integration.tests.carbontools.CarbonServerBasicOperationTestCase.java
@Test(groups = { "carbon.core" }, description = "Testing server startup argument --start")
public void testServerStartCommand() throws Exception {
String[] cmdArrayToStart;/* w w w . j a v a 2s. c o m*/
Process process;
if (CarbonCommandToolsUtil.getCurrentOperatingSystem()
.contains(OperatingSystems.WINDOWS.name().toLowerCase())) {
//Skipping the test execution on Windows
throw new SkipException("--start option is not available for windows");
} else {
cmdArrayToStart = new String[] { "sh", "wso2server.sh", "--start", "-DportOffset=" + portOffset };
}
process = CarbonCommandToolsUtil.runScript(carbonHome + File.separator + "bin", cmdArrayToStart);
// Waiting until start the server
boolean startupStatus = CarbonCommandToolsUtil.isServerStartedUp(automationContext, portOffset);
Field field = process.getClass().getDeclaredField("pid");
field.setAccessible(true);
processId = field.get(process).toString();
log.info("process id for carbon server with offset " + portOffset + " : " + processId);
assertTrue(startupStatus, "Unsuccessful login");
}