/**
* Schedules runnable task for execution.
*
* @param w Runnable task.
* @throws GridException Thrown if any exception occurred.
*/
@SuppressWarnings({"CatchGenericClass", "ProhibitedExceptionThrown"})
public void execute(final GridWorker w) throws GridException {
workers.add(w);
try {
exec.execute(
new Runnable() {
@Override
public void run() {
try {
w.run();
} finally {
workers.remove(w);
}
}
});
} catch (RejectedExecutionException e) {
workers.remove(w);
throw new GridComputeExecutionRejectedException(
"Failed to execute worker due to execution rejection.", e);
} catch (RuntimeException e) {
workers.remove(w);
throw new GridException("Failed to execute worker due to runtime exception.", e);
} catch (Error e) {
workers.remove(w);
throw e;
}
}
/**
* @param gridName Grid instance name. Can be {@code null}.
* @param exec Executor service.
* @param parentLog Parent logger.
*/
static void runBackgroundCheck(String gridName, Executor exec, GridLogger parentLog) {
assert exec != null;
assert parentLog != null;
final GridLogger log = parentLog.getLogger(GridDiagnostic.class);
try {
exec.execute(
new GridWorker(gridName, "grid-diagnostic-1", log) {
@Override
public void body() {
try {
InetAddress localHost = U.getLocalHost();
if (!localHost.isReachable(REACH_TIMEOUT)) {
U.warn(
log,
"Default local host is unreachable. This may lead to delays on "
+ "grid network operations. Check your OS network setting to correct it.",
"Default local host is unreachable.");
}
} catch (IOException ignore) {
U.warn(
log,
"Failed to perform network diagnostics. It is usually caused by serious "
+ "network configuration problem. Check your OS network setting to correct it.",
"Failed to perform network diagnostics.");
}
}
});
exec.execute(
new GridWorker(gridName, "grid-diagnostic-2", log) {
@Override
public void body() {
try {
InetAddress localHost = U.getLocalHost();
if (localHost.isLoopbackAddress()) {
U.warn(
log,
"Default local host is a loopback address. This can be a sign of "
+ "potential network configuration problem.",
"Default local host is a loopback address.");
}
} catch (IOException ignore) {
U.warn(
log,
"Failed to perform network diagnostics. It is usually caused by serious "
+ "network configuration problem. Check your OS network setting to correct it.",
"Failed to perform network diagnostics.");
}
}
});
exec.execute(
new GridWorker(gridName, "grid-diagnostic-3", log) {
@Override
public void body() {
String jdkStrLow = U.jdkString().toLowerCase();
if (jdkStrLow.contains("jrockit") && jdkStrLow.contains("1.5.")) {
U.warn(
log,
"BEA JRockit VM ver. 1.5.x has shown problems with NIO functionality in our "
+ "tests that were not reproducible in other VMs. We recommend using Sun VM. Should you "
+ "have further questions please contact us at [email protected]",
"BEA JRockit VM ver. 1.5.x is not supported.");
}
}
});
exec.execute(
new GridWorker(gridName, "grid-diagnostic-4", log) {
@Override
public void body() {
// Sufficiently tested OS.
if (!U.isSufficientlyTestedOs()) {
U.warn(
log,
"This operating system has been tested less rigorously: "
+ U.osString()
+ ". Our team will appreciate the feedback if you experience any problems running "
+ "gridgain in this environment. You can always send your feedback to [email protected]",
"This OS is tested less rigorously: " + U.osString());
}
}
});
exec.execute(
new GridWorker(gridName, "grid-diagnostic-5", log) {
@Override
public void body() {
// Fix for GG-1075.
if (U.allLocalMACs() == null)
U.warn(
log,
"No live network interfaces detected. If IP-multicast discovery is used - "
+ "make sure to add 127.0.0.1 as a local address.",
"No live network interfaces. Add 127.0.0.1 as a local address.");
}
});
exec.execute(
new GridWorker(gridName, "grid-diagnostic-6", log) {
@Override
public void body() {
if (System.getProperty("com.sun.management.jmxremote") != null) {
String portStr = System.getProperty("com.sun.management.jmxremote.port");
if (portStr != null)
try {
Integer.parseInt(portStr);
return;
} catch (NumberFormatException ignore) {
}
U.warn(
log,
"JMX remote management is enabled but JMX port is either not set or invalid. "
+ "Check system property 'com.sun.management.jmxremote.port' to make sure it specifies "
+ "valid TCP/IP port.",
"JMX remote port is invalid - JMX management is off.");
}
}
});
} catch (RejectedExecutionException e) {
U.error(
log,
"Failed to start background network diagnostics check due to thread pool execution "
+ "rejection. In most cases it indicates a severe configuration problem with GridGain.",
"Failed to start background network diagnostics.",
e);
}
}