Java Code Examples for org.apache.tomcat.util.ExceptionUtils#unwrapInvocationTargetException()
The following examples show how to use
org.apache.tomcat.util.ExceptionUtils#unwrapInvocationTargetException() .
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Example 1
| Source File: WebappLoader.java From Tomcat7.0.67 with Apache License 2.0 | 6 votes |
|
private String getClasspath( ClassLoader loader ) {
try {
Method m=loader.getClass().getMethod("getClasspath", new Class[] {});
if( log.isTraceEnabled())
log.trace("getClasspath " + m );
if( m==null ) return null;
Object o=m.invoke( loader, new Object[] {} );
if( log.isDebugEnabled() )
log.debug("gotClasspath " + o);
if( o instanceof String )
return (String)o;
return null;
} catch( Exception ex ) {
Throwable t = ExceptionUtils.unwrapInvocationTargetException(ex);
ExceptionUtils.handleThrowable(t);
if (log.isDebugEnabled())
log.debug("getClasspath ", ex);
}
return null;
}
Example 2
| Source File: WebappLoader.java From tomcatsrc with Apache License 2.0 | 6 votes |
|
private String getClasspath( ClassLoader loader ) {
try {
Method m=loader.getClass().getMethod("getClasspath", new Class[] {});
if( log.isTraceEnabled())
log.trace("getClasspath " + m );
Object o=m.invoke( loader, new Object[] {} );
if( log.isDebugEnabled() )
log.debug("gotClasspath " + o);
if( o instanceof String )
return (String)o;
return null;
} catch( Exception ex ) {
Throwable t = ExceptionUtils.unwrapInvocationTargetException(ex);
ExceptionUtils.handleThrowable(t);
if (log.isDebugEnabled())
log.debug("getClasspath ", ex);
}
return null;
}
Example 3
| Source File: WebappClassLoaderBase.java From Tomcat8-Source-Read with MIT License | 5 votes |
|
/**
* Deregister any JDBC drivers registered by the webapp that the webapp
* forgot. This is made unnecessary complex because a) DriverManager
* checks the class loader of the calling class (it would be much easier
* if it checked the context class loader) b) using reflection would
* create a dependency on the DriverManager implementation which can,
* and has, changed.
*
* We can't just create an instance of JdbcLeakPrevention as it will be
* loaded by the common class loader (since it's .class file is in the
* $CATALINA_HOME/lib directory). This would fail DriverManager's check
* on the class loader of the calling class. So, we load the bytes via
* our parent class loader but define the class with this class loader
* so the JdbcLeakPrevention looks like a webapp class to the
* DriverManager.
*
* If only apps cleaned up after themselves...
*/
private final void clearReferencesJdbc() {
// We know roughly how big the class will be (~ 1K) so allow 2k as a
// starting point
byte[] classBytes = new byte[2048];
int offset = 0;
try (InputStream is = getResourceAsStream(
"org/apache/catalina/loader/JdbcLeakPrevention.class")) {
int read = is.read(classBytes, offset, classBytes.length-offset);
while (read > -1) {
offset += read;
if (offset == classBytes.length) {
// Buffer full - double size
byte[] tmp = new byte[classBytes.length * 2];
System.arraycopy(classBytes, 0, tmp, 0, classBytes.length);
classBytes = tmp;
}
read = is.read(classBytes, offset, classBytes.length-offset);
}
Class<?> lpClass =
defineClass("org.apache.catalina.loader.JdbcLeakPrevention",
classBytes, 0, offset, this.getClass().getProtectionDomain());
Object obj = lpClass.getConstructor().newInstance();
@SuppressWarnings("unchecked")
List<String> driverNames = (List<String>) obj.getClass().getMethod(
"clearJdbcDriverRegistrations").invoke(obj);
for (String name : driverNames) {
log.warn(sm.getString("webappClassLoader.clearJdbc",
getContextName(), name));
}
} catch (Exception e) {
// So many things to go wrong above...
Throwable t = ExceptionUtils.unwrapInvocationTargetException(e);
ExceptionUtils.handleThrowable(t);
log.warn(sm.getString(
"webappClassLoader.jdbcRemoveFailed", getContextName()), t);
}
}
Example 4
| Source File: PojoMessageHandlerBase.java From Tomcat8-Source-Read with MIT License | 5 votes |
|
protected final void handlePojoMethodException(Throwable t) {
t = ExceptionUtils.unwrapInvocationTargetException(t);
ExceptionUtils.handleThrowable(t);
if (t instanceof RuntimeException) {
throw (RuntimeException) t;
} else {
throw new RuntimeException(t.getMessage(), t);
}
}
Example 5
| Source File: PojoMessageHandlerBase.java From Tomcat7.0.67 with Apache License 2.0 | 5 votes |
|
protected final void handlePojoMethodException(Throwable t) {
t = ExceptionUtils.unwrapInvocationTargetException(t);
ExceptionUtils.handleThrowable(t);
if (t instanceof RuntimeException) {
throw (RuntimeException) t;
} else {
throw new RuntimeException(t.getMessage(), t);
}
}
Example 6
| Source File: PojoMessageHandlerBase.java From tomcatsrc with Apache License 2.0 | 5 votes |
|
protected final void handlePojoMethodException(Throwable t) {
t = ExceptionUtils.unwrapInvocationTargetException(t);
ExceptionUtils.handleThrowable(t);
if (t instanceof RuntimeException) {
throw (RuntimeException) t;
} else {
throw new RuntimeException(t.getMessage(), t);
}
}
Example 7
| Source File: WebappLoader.java From Tomcat8-Source-Read with MIT License | 4 votes |
|
/**
* Start associated {@link ClassLoader} and implement the requirements
* of {@link org.apache.catalina.util.LifecycleBase#startInternal()}.
*
* @exception LifecycleException if this component detects a fatal error
* that prevents this component from being used
*/
@Override
protected void startInternal() throws LifecycleException {
if (log.isDebugEnabled())
log.debug(sm.getString("webappLoader.starting"));
if (context.getResources() == null) {
log.info("No resources for " + context);
setState(LifecycleState.STARTING);
return;
}
// Construct a class loader based on our current repositories list
try {
classLoader = createClassLoader();
classLoader.setResources(context.getResources());
classLoader.setDelegate(this.delegate);
// Configure our repositories
setClassPath();
setPermissions();
((Lifecycle) classLoader).start();
String contextName = context.getName();
if (!contextName.startsWith("/")) {
contextName = "/" + contextName;
}
ObjectName cloname = new ObjectName(context.getDomain() + ":type=" +
classLoader.getClass().getSimpleName() + ",host=" +
context.getParent().getName() + ",context=" + contextName);
Registry.getRegistry(null, null)
.registerComponent(classLoader, cloname, null);
} catch (Throwable t) {
t = ExceptionUtils.unwrapInvocationTargetException(t);
ExceptionUtils.handleThrowable(t);
log.error( "LifecycleException ", t );
throw new LifecycleException("start: ", t);
}
setState(LifecycleState.STARTING);
}
Example 8
| Source File: WebappClassLoaderBase.java From Tomcat8-Source-Read with MIT License | 4 votes |
|
private void clearReferencesStopTimerThread(Thread thread) {
// Need to get references to:
// in Sun/Oracle JDK:
// - newTasksMayBeScheduled field (in java.util.TimerThread)
// - queue field
// - queue.clear()
// in IBM JDK, Apache Harmony:
// - cancel() method (in java.util.Timer$TimerImpl)
try {
try {
Field newTasksMayBeScheduledField =
thread.getClass().getDeclaredField("newTasksMayBeScheduled");
newTasksMayBeScheduledField.setAccessible(true);
Field queueField = thread.getClass().getDeclaredField("queue");
queueField.setAccessible(true);
Object queue = queueField.get(thread);
Method clearMethod = queue.getClass().getDeclaredMethod("clear");
clearMethod.setAccessible(true);
synchronized(queue) {
newTasksMayBeScheduledField.setBoolean(thread, false);
clearMethod.invoke(queue);
// In case queue was already empty. Should only be one
// thread waiting but use notifyAll() to be safe.
queue.notifyAll();
}
}catch (NoSuchFieldException nfe){
Method cancelMethod = thread.getClass().getDeclaredMethod("cancel");
synchronized(thread) {
cancelMethod.setAccessible(true);
cancelMethod.invoke(thread);
}
}
log.warn(sm.getString("webappClassLoader.warnTimerThread",
getContextName(), thread.getName()));
} catch (Exception e) {
// So many things to go wrong above...
Throwable t = ExceptionUtils.unwrapInvocationTargetException(e);
ExceptionUtils.handleThrowable(t);
log.warn(sm.getString(
"webappClassLoader.stopTimerThreadFail",
thread.getName(), getContextName()), t);
}
}
Example 9
| Source File: StatusTransformer.java From Tomcat8-Source-Read with MIT License | 4 votes |
|
/**
* Write the OS state.
*
* @param writer The output writer
* @param mode Mode <code>0</code> will generate HTML.
* Mode <code>1</code> will generate XML.
* @param args I18n labels for the OS state values
*/
public static void writeOSState(PrintWriter writer, int mode, Object[] args) {
long[] result = new long[16];
boolean ok = false;
try {
String methodName = "info";
Class<?> paramTypes[] = new Class[1];
paramTypes[0] = result.getClass();
Object paramValues[] = new Object[1];
paramValues[0] = result;
Method method = Class.forName("org.apache.tomcat.jni.OS")
.getMethod(methodName, paramTypes);
method.invoke(null, paramValues);
ok = true;
} catch (Throwable t) {
t = ExceptionUtils.unwrapInvocationTargetException(t);
ExceptionUtils.handleThrowable(t);
}
if (ok) {
if (mode == 0){
writer.print("<h1>OS</h1>");
writer.print("<p>");
writer.print( args[0] );
writer.print(' ');
writer.print(formatSize(Long.valueOf(result[0]), true));
writer.print(' ');
writer.print(args[1]);
writer.print(' ');
writer.print(formatSize(Long.valueOf(result[1]), true));
writer.print(' ');
writer.print(args[2]);
writer.print(' ');
writer.print(formatSize(Long.valueOf(result[2]), true));
writer.print(' ');
writer.print(args[3]);
writer.print(' ');
writer.print(formatSize(Long.valueOf(result[3]), true));
writer.print(' ');
writer.print(args[4]);
writer.print(' ');
writer.print(Long.valueOf(result[6]));
writer.print("<br>");
writer.print(args[5]);
writer.print(' ');
writer.print(formatTime(Long.valueOf(result[11] / 1000), true));
writer.print(' ');
writer.print(args[6]);
writer.print(' ');
writer.print(formatTime(Long.valueOf(result[12] / 1000), true));
writer.print("</p>");
} else if (mode == 1){
// NO-OP
}
}
}
Example 10
| Source File: WebappClassLoaderBase.java From Tomcat7.0.67 with Apache License 2.0 | 4 votes |
|
/**
* Deregister any JDBC drivers registered by the webapp that the webapp
* forgot. This is made unnecessary complex because a) DriverManager
* checks the class loader of the calling class (it would be much easier
* if it checked the context class loader) b) using reflection would
* create a dependency on the DriverManager implementation which can,
* and has, changed.
*
* We can't just create an instance of JdbcLeakPrevention as it will be
* loaded by the common class loader (since it's .class file is in the
* $CATALINA_HOME/lib directory). This would fail DriverManager's check
* on the class loader of the calling class. So, we load the bytes via
* our parent class loader but define the class with this class loader
* so the JdbcLeakPrevention looks like a webapp class to the
* DriverManager.
*
* If only apps cleaned up after themselves...
*/
private final void clearReferencesJdbc() {
InputStream is = getResourceAsStream(
"org/apache/catalina/loader/JdbcLeakPrevention.class");
// We know roughly how big the class will be (~ 1K) so allow 2k as a
// starting point
byte[] classBytes = new byte[2048];
int offset = 0;
try {
int read = is.read(classBytes, offset, classBytes.length-offset);
while (read > -1) {
offset += read;
if (offset == classBytes.length) {
// Buffer full - double size
byte[] tmp = new byte[classBytes.length * 2];
System.arraycopy(classBytes, 0, tmp, 0, classBytes.length);
classBytes = tmp;
}
read = is.read(classBytes, offset, classBytes.length-offset);
}
Class<?> lpClass =
defineClass("org.apache.catalina.loader.JdbcLeakPrevention",
classBytes, 0, offset, this.getClass().getProtectionDomain());
Object obj = lpClass.newInstance();
@SuppressWarnings("unchecked") // clearJdbcDriverRegistrations() returns List<String>
List<String> driverNames = (List<String>) obj.getClass().getMethod(
"clearJdbcDriverRegistrations").invoke(obj);
for (String name : driverNames) {
log.error(sm.getString("webappClassLoader.clearJdbc",
contextName, name));
}
} catch (Exception e) {
// So many things to go wrong above...
Throwable t = ExceptionUtils.unwrapInvocationTargetException(e);
ExceptionUtils.handleThrowable(t);
log.warn(sm.getString(
"webappClassLoader.jdbcRemoveFailed", contextName), t);
} finally {
if (is != null) {
try {
is.close();
} catch (IOException ioe) {
log.warn(sm.getString(
"webappClassLoader.jdbcRemoveStreamError",
contextName), ioe);
}
}
}
}
Example 11
| Source File: WebappClassLoaderBase.java From Tomcat7.0.67 with Apache License 2.0 | 4 votes |
|
private void clearReferencesStopTimerThread(Thread thread) {
// Need to get references to:
// in Sun/Oracle JDK:
// - newTasksMayBeScheduled field (in java.util.TimerThread)
// - queue field
// - queue.clear()
// in IBM JDK, Apache Harmony:
// - cancel() method (in java.util.Timer$TimerImpl)
try {
try {
Field newTasksMayBeScheduledField =
thread.getClass().getDeclaredField("newTasksMayBeScheduled");
newTasksMayBeScheduledField.setAccessible(true);
Field queueField = thread.getClass().getDeclaredField("queue");
queueField.setAccessible(true);
Object queue = queueField.get(thread);
Method clearMethod = queue.getClass().getDeclaredMethod("clear");
clearMethod.setAccessible(true);
synchronized(queue) {
newTasksMayBeScheduledField.setBoolean(thread, false);
clearMethod.invoke(queue);
queue.notify(); // In case queue was already empty.
}
}catch (NoSuchFieldException nfe){
Method cancelMethod = thread.getClass().getDeclaredMethod("cancel");
synchronized(thread) {
cancelMethod.setAccessible(true);
cancelMethod.invoke(thread);
}
}
log.error(sm.getString("webappClassLoader.warnTimerThread",
contextName, thread.getName()));
} catch (Exception e) {
// So many things to go wrong above...
Throwable t = ExceptionUtils.unwrapInvocationTargetException(e);
ExceptionUtils.handleThrowable(t);
log.warn(sm.getString(
"webappClassLoader.stopTimerThreadFail",
thread.getName(), contextName), t);
}
}
Example 12
| Source File: StatusTransformer.java From Tomcat7.0.67 with Apache License 2.0 | 4 votes |
|
/**
* Write the OS state. Mode 0 will generate HTML.
* Mode 1 will generate XML.
*/
public static void writeOSState(PrintWriter writer, int mode) {
long[] result = new long[16];
boolean ok = false;
try {
String methodName = "info";
Class<?> paramTypes[] = new Class[1];
paramTypes[0] = result.getClass();
Object paramValues[] = new Object[1];
paramValues[0] = result;
Method method = Class.forName("org.apache.tomcat.jni.OS")
.getMethod(methodName, paramTypes);
method.invoke(null, paramValues);
ok = true;
} catch (Throwable t) {
t = ExceptionUtils.unwrapInvocationTargetException(t);
ExceptionUtils.handleThrowable(t);
}
if (ok) {
if (mode == 0){
writer.print("<h1>OS</h1>");
writer.print("<p>");
writer.print(" Physical memory: ");
writer.print(formatSize(Long.valueOf(result[0]), true));
writer.print(" Available memory: ");
writer.print(formatSize(Long.valueOf(result[1]), true));
writer.print(" Total page file: ");
writer.print(formatSize(Long.valueOf(result[2]), true));
writer.print(" Free page file: ");
writer.print(formatSize(Long.valueOf(result[3]), true));
writer.print(" Memory load: ");
writer.print(Long.valueOf(result[6]));
writer.print("<br>");
writer.print(" Process kernel time: ");
writer.print(formatTime(Long.valueOf(result[11] / 1000), true));
writer.print(" Process user time: ");
writer.print(formatTime(Long.valueOf(result[12] / 1000), true));
writer.print("</p>");
} else if (mode == 1){
// NO-OP
}
}
}
Example 13
| Source File: WebappClassLoaderBase.java From tomcatsrc with Apache License 2.0 | 4 votes |
|
/**
* Deregister any JDBC drivers registered by the webapp that the webapp
* forgot. This is made unnecessary complex because a) DriverManager
* checks the class loader of the calling class (it would be much easier
* if it checked the context class loader) b) using reflection would
* create a dependency on the DriverManager implementation which can,
* and has, changed.
*
* We can't just create an instance of JdbcLeakPrevention as it will be
* loaded by the common class loader (since it's .class file is in the
* $CATALINA_HOME/lib directory). This would fail DriverManager's check
* on the class loader of the calling class. So, we load the bytes via
* our parent class loader but define the class with this class loader
* so the JdbcLeakPrevention looks like a webapp class to the
* DriverManager.
*
* If only apps cleaned up after themselves...
*/
private final void clearReferencesJdbc() {
InputStream is = getResourceAsStream(
"org/apache/catalina/loader/JdbcLeakPrevention.class");
// We know roughly how big the class will be (~ 1K) so allow 2k as a
// starting point
byte[] classBytes = new byte[2048];
int offset = 0;
try {
int read = is.read(classBytes, offset, classBytes.length-offset);
while (read > -1) {
offset += read;
if (offset == classBytes.length) {
// Buffer full - double size
byte[] tmp = new byte[classBytes.length * 2];
System.arraycopy(classBytes, 0, tmp, 0, classBytes.length);
classBytes = tmp;
}
read = is.read(classBytes, offset, classBytes.length-offset);
}
Class<?> lpClass =
defineClass("org.apache.catalina.loader.JdbcLeakPrevention",
classBytes, 0, offset, this.getClass().getProtectionDomain());
Object obj = lpClass.newInstance();
@SuppressWarnings("unchecked") // clearJdbcDriverRegistrations() returns List<String>
List<String> driverNames = (List<String>) obj.getClass().getMethod(
"clearJdbcDriverRegistrations").invoke(obj);
for (String name : driverNames) {
log.error(sm.getString("webappClassLoader.clearJdbc",
contextName, name));
}
} catch (Exception e) {
// So many things to go wrong above...
Throwable t = ExceptionUtils.unwrapInvocationTargetException(e);
ExceptionUtils.handleThrowable(t);
log.warn(sm.getString(
"webappClassLoader.jdbcRemoveFailed", contextName), t);
} finally {
if (is != null) {
try {
is.close();
} catch (IOException ioe) {
log.warn(sm.getString(
"webappClassLoader.jdbcRemoveStreamError",
contextName), ioe);
}
}
}
}
Example 14
| Source File: WebappClassLoaderBase.java From tomcatsrc with Apache License 2.0 | 4 votes |
|
private void clearReferencesStopTimerThread(Thread thread) {
// Need to get references to:
// in Sun/Oracle JDK:
// - newTasksMayBeScheduled field (in java.util.TimerThread)
// - queue field
// - queue.clear()
// in IBM JDK, Apache Harmony:
// - cancel() method (in java.util.Timer$TimerImpl)
try {
try {
Field newTasksMayBeScheduledField =
thread.getClass().getDeclaredField("newTasksMayBeScheduled");
newTasksMayBeScheduledField.setAccessible(true);
Field queueField = thread.getClass().getDeclaredField("queue");
queueField.setAccessible(true);
Object queue = queueField.get(thread);
Method clearMethod = queue.getClass().getDeclaredMethod("clear");
clearMethod.setAccessible(true);
synchronized(queue) {
newTasksMayBeScheduledField.setBoolean(thread, false);
clearMethod.invoke(queue);
queue.notify(); // In case queue was already empty.
}
}catch (NoSuchFieldException nfe){
Method cancelMethod = thread.getClass().getDeclaredMethod("cancel");
synchronized(thread) {
cancelMethod.setAccessible(true);
cancelMethod.invoke(thread);
}
}
log.error(sm.getString("webappClassLoader.warnTimerThread",
contextName, thread.getName()));
} catch (Exception e) {
// So many things to go wrong above...
Throwable t = ExceptionUtils.unwrapInvocationTargetException(e);
ExceptionUtils.handleThrowable(t);
log.warn(sm.getString(
"webappClassLoader.stopTimerThreadFail",
thread.getName(), contextName), t);
}
}
Example 15
| Source File: StatusTransformer.java From tomcatsrc with Apache License 2.0 | 4 votes |
|
/**
* Write the OS state. Mode 0 will generate HTML.
* Mode 1 will generate XML.
*/
public static void writeOSState(PrintWriter writer, int mode) {
long[] result = new long[16];
boolean ok = false;
try {
String methodName = "info";
Class<?> paramTypes[] = new Class[1];
paramTypes[0] = result.getClass();
Object paramValues[] = new Object[1];
paramValues[0] = result;
Method method = Class.forName("org.apache.tomcat.jni.OS")
.getMethod(methodName, paramTypes);
method.invoke(null, paramValues);
ok = true;
} catch (Throwable t) {
t = ExceptionUtils.unwrapInvocationTargetException(t);
ExceptionUtils.handleThrowable(t);
}
if (ok) {
if (mode == 0){
writer.print("<h1>OS</h1>");
writer.print("<p>");
writer.print(" Physical memory: ");
writer.print(formatSize(Long.valueOf(result[0]), true));
writer.print(" Available memory: ");
writer.print(formatSize(Long.valueOf(result[1]), true));
writer.print(" Total page file: ");
writer.print(formatSize(Long.valueOf(result[2]), true));
writer.print(" Free page file: ");
writer.print(formatSize(Long.valueOf(result[3]), true));
writer.print(" Memory load: ");
writer.print(Long.valueOf(result[6]));
writer.print("<br>");
writer.print(" Process kernel time: ");
writer.print(formatTime(Long.valueOf(result[11] / 1000), true));
writer.print(" Process user time: ");
writer.print(formatTime(Long.valueOf(result[12] / 1000), true));
writer.print("</p>");
} else if (mode == 1){
// NO-OP
}
}
}
