private Status handleUnsupportedClassVersion(UnsupportedClassVersionError ucve) {
config
.getError()
.println("Error: Some library (perhaps JRuby) was built with a later JVM version.");
config
.getError()
.println(
"Please use libraries built with the version you intend to use or an earlier one.");
if (config.isVerbose()) {
config.getError().println("Exception trace follows:");
ucve.printStackTrace();
} else {
config.getError().println("Specify -w for full UnsupportedClassVersionError stack trace");
}
return new Status(1);
}
public static void main(String[] args) throws Exception {
try {
String v = System.getProperty("java.class.version");
if (v != null) {
try {
if (Float.parseFloat(v) < 51.0f) throw new UnsupportedClassVersionError(v);
} catch (NumberFormatException e) {
// err on the safe side and keep on going
}
}
ColorFormatter.install();
_main(args);
} catch (UnsupportedClassVersionError e) {
System.err.println(
"Jenkins requires Java7 or later, but you are running "
+ System.getProperty("java.runtime.version")
+ " from "
+ System.getProperty("java.home"));
e.printStackTrace();
}
}
public int run(String[] args) {
try {
config.processArguments(args);
return run();
} catch (MainExitException mee) {
if (!mee.isAborted()) {
config.getOutput().println(mee.getMessage());
if (mee.isUsageError()) {
printUsage();
}
}
return mee.getStatus();
} catch (OutOfMemoryError oome) {
// produce a nicer error since Rubyists aren't used to seeing this
System.gc();
String memoryMax = SafePropertyAccessor.getProperty("jruby.memory.max");
String message = "";
if (memoryMax != null) {
message = " of " + memoryMax;
}
config
.getError()
.println("Error: Your application used more memory than the safety cap" + message + ".");
config.getError().println("Specify -J-Xmx####m to increase it (#### = cap size in MB).");
if (config.getVerbose()) {
config.getError().println("Exception trace follows:");
oome.printStackTrace();
} else {
config.getError().println("Specify -w for full OutOfMemoryError stack trace");
}
return 1;
} catch (StackOverflowError soe) {
// produce a nicer error since Rubyists aren't used to seeing this
System.gc();
String stackMax = SafePropertyAccessor.getProperty("jruby.stack.max");
String message = "";
if (stackMax != null) {
message = " of " + stackMax;
}
config
.getError()
.println(
"Error: Your application used more stack memory than the safety cap" + message + ".");
config.getError().println("Specify -J-Xss####k to increase it (#### = cap size in KB).");
if (config.getVerbose()) {
config.getError().println("Exception trace follows:");
soe.printStackTrace();
} else {
config.getError().println("Specify -w for full StackOverflowError stack trace");
}
return 1;
} catch (UnsupportedClassVersionError ucve) {
config
.getError()
.println("Error: Some library (perhaps JRuby) was built with a later JVM version.");
config
.getError()
.println(
"Please use libraries built with the version you intend to use or an earlier one.");
if (config.getVerbose()) {
config.getError().println("Exception trace follows:");
ucve.printStackTrace();
} else {
config.getError().println("Specify -w for full UnsupportedClassVersionError stack trace");
}
return 1;
} catch (ThreadKill kill) {
return 0;
}
}