private void handleException(Realm realm, StackOverflowError e) {
// Create script exception with stacktrace from stackoverflow-error.
ScriptException exception =
newInternalError(realm.defaultContext(), Messages.Key.StackOverflow);
exception.setStackTrace(e.getStackTrace());
handleException(realm, exception);
}
private void preConfigure() {
// Jython sys.path
String dataPackDirForwardSlashes = SCRIPT_FOLDER.getPath().replaceAll("\\\\", "/");
String configScript = "import sys;sys.path.insert(0,'" + dataPackDirForwardSlashes + "');";
try {
this.eval("jython", configScript);
} catch (ScriptException e) {
_log.fatal("Failed preconfiguring jython: " + e.getMessage());
}
}
private void printScriptStackTrace(Realm realm, ScriptException e) {
if (options.scriptStacktrace) {
StringBuilder sb = new StringBuilder();
printScriptFrames(sb, realm, e, 1);
if (sb.length() == 0 && e.getCause() != null) {
printScriptFrames(sb, realm, e.getCause(), 1);
}
console.writer().print(sb.toString());
}
}
public void reportScriptFileError(File script, ScriptException e) {
String dir = script.getParent();
String name = script.getName() + ".error.log";
if (dir != null) {
File file = new File(dir + "/" + name);
FileOutputStream fos = null;
try {
if (!file.exists()) {
file.createNewFile();
}
fos = new FileOutputStream(file);
String errorHeader =
"Error on: "
+ file.getCanonicalPath()
+ "\r\nLine: "
+ e.getLineNumber()
+ " - Column: "
+ e.getColumnNumber()
+ "\r\n\r\n";
fos.write(errorHeader.getBytes());
fos.write(e.getMessage().getBytes());
_log.warn(
"Failed executing script: "
+ script.getAbsolutePath()
+ ". See "
+ file.getName()
+ " for details.");
} catch (IOException ioe) {
_log.warn(
"Failed executing script: "
+ script.getAbsolutePath()
+ "\r\n"
+ e.getMessage()
+ "Additionally failed when trying to write an error report on script directory. Reason: "
+ ioe.getMessage());
ioe.printStackTrace();
} finally {
try {
fos.close();
} catch (Exception e1) {
}
}
} else {
_log.warn(
"Failed executing script: "
+ script.getAbsolutePath()
+ "\r\n"
+ e.getMessage()
+ "Additionally failed when trying to write an error report on script directory.");
}
}
private void handleException(Realm realm, OutOfMemoryError e) {
// Try to recover after OOM.
Runtime rt = Runtime.getRuntime();
long beforeGc = rt.freeMemory();
rt.gc();
long afterGc = rt.freeMemory();
if (afterGc > beforeGc && (afterGc - beforeGc) < 50_000_000) {
// Calling gc() cleared less than 50MB, assume unrecoverable OOM and rethrow error.
throw e;
}
// Create script exception with stacktrace from oom-error.
ScriptException exception =
newInternalError(realm.defaultContext(), Messages.Key.OutOfMemoryVM);
exception.setStackTrace(e.getStackTrace());
handleException(realm, exception);
}
private void handleException(Realm realm, ScriptException e) {
String message = formatMessage("uncaught_exception", e.getMessage(realm.defaultContext()));
console.printf("%s%n", message);
printScriptStackTrace(realm, e);
printStackTrace(e);
}