Example usage for javax.ejb EJBAccessException getCause

Introduction

In this page you can find the example usage for javax.ejb EJBAccessException getCause.

Prototype

public synchronized Throwable getCause() 

Source Link

Document

Returns the cause of this throwable or null if the cause is nonexistent or unknown.

Usage

From source file:ome.client.Interceptor.java

public Object invoke(MethodInvocation arg0) throws Throwable {
    Object toReturn = null;//from   w  w  w. j av a  2  s  .  c  o m
    Throwable toThrow = null;
    try {
        SecurityAssociation.setPrincipal(principal);
        toReturn = arg0.proceed();
    } catch (final Throwable t) {
        toThrow = t;
        if (t instanceof RootException) {
            // This is what we're expecting.
        } else if (t instanceof javax.ejb.EJBAccessException) {
            javax.ejb.EJBAccessException ejb = (javax.ejb.EJBAccessException) t;
            if (ejb.getCause() instanceof LoginException) {
                LoginException login = (LoginException) ejb.getCause();
                if (login.getCause() instanceof org.jboss.util.NestedSQLException) {
                    toThrow = new OutOfService(
                            "Database appears to be down, " + "improperly configured, or corrupted.", t);
                }
            } else {
                // These are allowed to be thrown.
            }
        } else if (t instanceof ClassNotFoundException) {
            if (t.getMessage().contains("org.postgresql.util.PSQLException")) {
                toThrow = new OutOfService("Database appears to be down, but no exception is "
                        + "available since org.postgresql.util.PSQLException " + "is not on your classpath", t);
            } else {
                toThrow = new OutOfService("Client appears improperly configured.", t);
            }
        } else if (t instanceof JndiLookupFailureException) {
            toThrow = new OutOfService("Cannot find service. Is the server running?");
        } else {
            toThrow = new OutOfService("Error during invocation. " + "Most likely server version does "
                    + "not match client version", t);
        }
    } finally {
        SecurityAssociation.setPrincipal(unknown);
    }
    if (toThrow != null) {
        throw toThrow;
    } else {
        return toReturn;
    }
}

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