Example usage for java.lang NullPointerException printStackTrace

Introduction

In this page you can find the example usage for java.lang NullPointerException printStackTrace.

Prototype

public void printStackTrace() 

Source Link

Document

Prints this throwable and its backtrace to the standard error stream.

Usage

From source file:jdbc.pool.JDBCPoolOracleConnectionTest.java

public void testEmptyAllPools() {
    System.out.println("testEmptyAllPools Start");
    testGetInstanceNull();//  w  ww.ja  va2 s .c o  m
    CConnectionPoolManager manager = null;
    try {
        manager = create();
        Connection con = manager.getConnection("ORACLE"); // MYSQL is load
        // on startup.
        con.close();
        manager.emptyAllPools(false);
        try {
            manager.getPoolStatistics("ORACLE");
            fail("Should have thrown NullPointerException.");
        } catch (NullPointerException e) {
            assertTrue("Caught NullPointerException", true);
        }
        try {
            manager.getPoolStatistics("MYSQL");
            fail();
        } catch (NullPointerException e) {
            assertTrue("Caught NullPointerException", true);
        }
    } catch (ConfigurationException e) {
        e.printStackTrace();
        fail("Caught ConfigurationException");
    } catch (ParseException e) {
        e.printStackTrace();
        fail("Caught ParseException");
    } catch (IOException e) {
        e.printStackTrace();
        fail("Caught IOException");
    } catch (SQLException e) {
        e.printStackTrace();
        fail("Caught SQLException");
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
        fail("Caught ClassNotFoundException");
    } finally {
        manager.destroy(true);
        testGetInstanceNull();
    }

    System.out.println("testEmptyAllPools end.");
}

---

From source file:edu.harvard.iq.dvn.ingest.dsb.impl.DvnRDataAnalysisServiceImpl.java

/** *************************************************************
 * returns zelig-configuration data as an XML string
 *
 * @return    XML string/*from w  w w  . ja va  2 s  . co  m*/
 */
public String getGUIconfigData() {
    String zlgcnfg = null;
    try {
        // get connected to Rserve
        //String RSERVE_HOST =  "vdc-build.hmdc.harvard.edu";//"140.247.115.232"
        //int RSERVE_PORT = 6311;
        RConnection c = new RConnection(RSERVE_HOST, RSERVE_PORT);

        // login(String user, String pwd)
        //String RSERVE_USER = "rserve";
        //String RSERVE_PWD  = "rserve";
        c.login(RSERVE_USER, RSERVE_PWD);

        // get the hostname of the caller
        String hostname = null;
        Map<String, String> env = System.getenv();
        for (String envName : env.keySet()) {
            if (envName.equals("HOST")) {
                hostname = env.get(envName);
            }
        }
        dbgLog.fine("hostname=" + hostname);

        setupWorkingDirectory(c);
        // set-up R command lines
        // temp file
        String R_TMP_DIR = "/tmp/VDC/";
        // Why is this directory hard-coded here? Wasn't the point of 
        // running setupWorkingDirectory, in the previous step, to set 
        // up the configured directories? -- L.A. 
        //String cnfgfl = R_TMP_DIR +"configZeligGUI."+RandomStringUtils.randomNumeric(6)+ ".xml"; 
        String cnfgfl = R_TMP_DIR + "configZeligGUI.xml";
        dbgLog.fine("cnfgfl=" + cnfgfl);

        // remove the existing config file if exists
        String removeOLdLine = "if (file.exists('" + cnfgfl + "')){file.remove('" + cnfgfl + "');}";
        c.voidEval(removeOLdLine);
        // R code line part 1         
        String cmndline = "library(VDCutil);  printZeligSchemaInstance('" + cnfgfl + "')";
        // cnfgfl  +  "'," + "'" + RSERVE_HOST + "')";
        dbgLog.fine("comand line=" + cmndline);

        // write zelig GUI-config data  to the temp ifle
        c.voidEval(cmndline);
        //dbgLog.fine("commandline output="+outString);

        // check whether the temp file exists (Rserve is local)
        long filelength = 0;
        try {
            if (RSERVE_HOST.equals("localhost") || RSERVE_HOST.equals(hostname)) {
                File flnm = new File(cnfgfl);
                boolean exists = flnm.exists();
                if (exists) {
                    dbgLog.fine("configuration xml file (" + cnfgfl + ") was found");
                    filelength = flnm.length();
                    // Get the number of bytes in the file
                    dbgLog.fine("The size of the file =" + filelength);
                } else {
                    dbgLog.fine("configuration xml file (" + cnfgfl + ") was not found");
                }
            }
        } catch (NullPointerException e) {
            e.printStackTrace();
        }

        //if (filelength > 0){
        // read-back the config file
        c.voidEval("zz<-file('" + cnfgfl + "', 'r')");
        c.voidEval("open(zz)");
        zlgcnfg = c.eval("paste(readLines(zz),collapse='')").asString();
        dbgLog.fine("string length=" + zlgcnfg.length());
        if (zlgcnfg.length() > 0) {
            dbgLog.fine("first 20 bytes=[\n" + zlgcnfg.substring(0, 19) + "\n]\n");
        }
        //}
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    return zlgcnfg;
}

---

From source file:jdbc.pool.JDBCPoolOracleConnectionTest.java

public void testForceShutdown() {
    System.out.println("testForceShutdown Start");
    testGetInstanceNull();//from w  w  w . j a  va2s .c  o  m

    CConnectionPoolManager manager = null;
    try {
        manager = create();
        Connection con = manager.getConnection("ORACLE"); // MYSQL is load
        // on startup.
        manager.emptyAllPools(true);
        if (con instanceof ConnectionWrapper) {
            ConnectionWrapper realCon = (ConnectionWrapper) con;
            assertTrue("Is realConnection closed?", realCon.realConnection().isClosed());
        }
        assertTrue("Passed. Even if the pool was in use it did not throw any exception.", true);
        try {
            manager.getPoolStatistics("ORACLE");
            fail("Should have thrown NullPointerException.");
        } catch (NullPointerException e) {
            assertTrue("Caught NullPointerException", true);
        }
        try {
            manager.getPoolStatistics("ORACLE");
            fail();
        } catch (NullPointerException e) {
            assertTrue("Caught NullPointerException", true);
        }
    } catch (ConfigurationException e) {
        e.printStackTrace();
        fail("Caught ConfigurationException");
    } catch (ParseException e) {
        e.printStackTrace();
        fail("Caught ParseException");
    } catch (IOException e) {
        e.printStackTrace();
        fail("Caught IOException");
    } catch (SQLException e) {
        e.printStackTrace();
        fail("Caught SQLException");
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
        fail("Caught ClassNotFoundException");
    } finally {
        manager.destroy(true);
        testGetInstanceNull();
    }

    System.out.println("testForceShutdown end.");
}

---

From source file:edu.ucsd.sbrg.escher.model.EscherMap.java

/**
 * Post-processes {@link EscherMap} and populates internal helper fields.
 *//*w w w .j  av a  2 s .c  o m*/
public void processMap() {
    try {
        // Set mid-marker for every reaction by going through its nodes and checking which
        // one is a mid-marker.
        reactions.forEach((k, r) -> {
            r.getNodes().forEach((s) -> {
                if (nodes.get(s).getType() == Node.Type.midmarker) {
                    r.setMidmarker(nodes.get(s));
                }
            });
        });

        // Set nodeRefIds for metabolites.
        reactions.forEach((k, r) -> {
            r.getMetabolites().forEach((mk, mv) -> {
                r.getNodes().forEach((s) -> {
                    try {
                        Node node = nodes.get(s);
                        if (node.getBiggId() == null) {
                            return;
                        }
                        if (node.getBiggId().equals(mv.getId())) {
                            mv.setNodeRefId(node.getId());
                        }
                    } catch (NullPointerException ex) {
                        ex.getMessage();
                    }

                });
            });
        });

        // Bigg2Reactions.
        reactions.forEach((k, v) -> {
            if (!bigg2reactions.containsKey(v.getBiggId())) {
                Set<String> reactionSet = new HashSet<>();
                reactionSet.add(v.getId());
                bigg2reactions.put(v.getBiggId(), reactionSet);
            }
        });

        // Bigg2Nodes.
        nodes.forEach((k, v) -> {
            if (v.getBiggId() == null) {
                return;
            }
            if (!bigg2nodes.containsKey(v.getBiggId())) {
                Set<String> nodeSet = new HashSet<>();
                nodeSet.add(v.getId());
                bigg2nodes.put(v.getBiggId(), nodeSet);
            } else {
                bigg2nodes.get(v.getBiggId()).add(v.getId());
            }
        });

        // Store compartments.
        nodes.forEach((k, v) -> {
            EscherCompartment compartment = new EscherCompartment();

            if (v.getCompartment() == null) {
                return;
            }
            compartment.setId(v.getCompartment());

            if (!compartments.containsKey(compartment.getId())) {
                compartments.put(compartment.getId(), compartment);
            }
        });

    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

---

From source file:com.maskyn.fileeditorpro.activity.MainActivity.java

@Override
protected void onDestroy() {
    try {/*  ww  w.ja  v  a 2s  . co m*/
        closeKeyBoard();
    } catch (NullPointerException e) {
        e.printStackTrace();
    }
    super.onDestroy();
}

---

From source file:com.maskyn.fileeditorpro.activity.MainActivity.java

public void savedAFile(GreatUri uri, boolean updateList) {

    if (uri != null) {

        greatUri = uri;//from  w  w w. ja v a2s  .  co m

        String name = uri.getFileName();
        fileExtension = FilenameUtils.getExtension(name).toLowerCase();
        toolbar.setTitle(name);

        if (updateList) {
            refreshList(uri, true, false);
            arrayAdapter.selectPosition(uri);
        }
    }

    mEditor.clearHistory();
    mEditor.fileSaved();
    invalidateOptionsMenu();

    try {
        closeKeyBoard();
    } catch (NullPointerException e) {
        e.printStackTrace();
    }
}

---

From source file:eu.brokeratcloud.fpr.model.DivaRoot.java

public void runSimulation(Boolean isAdmin) {
    ServiceCategory serviceCategory = ServiceCategory.INSTANCE;
    Map<String, String> remember = new HashMap<String, String>();
    if (isAdmin) {

        for (Dimension dim : root.getDimension())
            for (Variant variant : dim.getVariant()) {
                String dep = null;
                try {
                    dep = variant.getDependency().getText();
                } catch (NullPointerException e) {
                    continue;
                }/*w  w w.j  av  a 2 s .  c om*/
                if (dep == null || dep.length() == 0)
                    continue;

                List<String> atoms = ServiceDependency.INSTANCE.getDependency(variant.getId());
                List<String> strauss = new ArrayList<String>();
                for (String atom : atoms) {
                    List<String> group = serviceCategory.getGroup(atom.trim());
                    if (group != null && group.size() != 0) {
                        String alternative = org.apache.commons.lang.StringUtils.join(group, " or ");
                        strauss.add("(" + alternative + ")");

                    }
                }
                String alternative = org.apache.commons.lang.StringUtils.join(strauss, " and ");
                remember.put(variant.getName(), dep);
                variant.getDependency().setText(alternative);
                try {
                    Term term = DivaExpressionParser.parse(root, alternative.trim());
                    variant.getDependency().setTerm(term);
                } catch (Exception e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
    }

    _runSimulation();

    if (isAdmin) {
        for (Dimension dim : root.getDimension())
            for (Variant variant : dim.getVariant()) {
                String original = remember.get(variant);
                if (original == null || original.length() == 0)
                    continue;
                variant.getDependency().setText(original);
                try {
                    Term term = DivaExpressionParser.parse(root, original.trim());
                    variant.getDependency().setTerm(term);
                } catch (Exception e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
    }

}

---

From source file:com.maskyn.fileeditorpro.activity.MainActivity.java

/**
 * Setup the navigation drawer/*from  ww  w  . ja v  a2s  .  c o m*/
 */
private void setupNavigationDrawer() {
    mDrawerLayout = (CustomDrawerLayout) findViewById(R.id.drawer_layout);
    /* Action Bar
    final ActionBar ab = toolbar;
    ab.setDisplayHomeAsUpEnabled(true);
    ab.setHomeButtonEnabled(true);*/
    /* Navigation drawer */
    mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, toolbar, R.string.nome_app_turbo_editor,
            R.string.nome_app_turbo_editor) {

        @Override
        public void onDrawerOpened(View drawerView) {
            supportInvalidateOptionsMenu();
            try {
                closeKeyBoard();
            } catch (NullPointerException e) {
                e.printStackTrace();
            }
        }

        @Override
        public void onDrawerClosed(View view) {
            supportInvalidateOptionsMenu();
        }
    };
    /* link the mDrawerToggle to the Drawer Layout */
    mDrawerLayout.setDrawerListener(mDrawerToggle);
    //mDrawerLayout.setFocusableInTouchMode(false);

    ListView listView = (ListView) findViewById(android.R.id.list);
    listView.setEmptyView(findViewById(android.R.id.empty));
    greatUris = new LinkedList<>();
    arrayAdapter = new AdapterDrawer(this, greatUris, this);
    listView.setAdapter(arrayAdapter);
    listView.setOnItemClickListener(this);
}

---

From source file:jdbc.pool.JDBCPoolMySQLTest.java

public void testEmptyAllPools() {
    testGetInstanceNull();//from   w  w w . ja v a 2 s  .co  m

    logger.debug("testEmptyAllPools Start");
    CConnectionPoolManager manager = null;
    try {
        manager = create();
        Connection con = manager.getConnection("MYSQL2"); // MYSQL is load
        // on startup.
        con.close();
        manager.emptyAllPools(false);
        try {
            manager.getPoolStatistics("MYSQL2");
            fail("Should have thrown NullPointerException.");
        } catch (NullPointerException e) {
            assertTrue("Caught NullPointerException", true);
        }
        try {
            manager.getPoolStatistics("MYSQL");
            fail();
        } catch (NullPointerException e) {
            assertTrue("Caught NullPointerException", true);
        }
    } catch (ConfigurationException e) {
        e.printStackTrace();
        fail("Caught ConfigurationException");
    } catch (ParseException e) {
        e.printStackTrace();
        fail("Caught ParseException");
    } catch (IOException e) {
        e.printStackTrace();
        fail("Caught IOException");
    } catch (SQLException e) {
        e.printStackTrace();
        fail("Caught SQLException");
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
        fail("Caught ClassNotFoundException");
    } finally {
        manager.destroy(true);
        testGetInstanceNull();
    }

    logger.debug("testEmptyAllPools end.");
}

---

From source file:jdbc.pool.JDBCPoolMySQLTest.java

public void testForceShutdown() {
    testGetInstanceNull();/*from w  ww . ja va 2 s. c  o m*/

    logger.debug("testForceShutdown Start");
    CConnectionPoolManager manager = null;
    try {
        manager = create();
        Connection con = manager.getConnection("MYSQL2"); // MYSQL is load
        // on startup.
        manager.emptyAllPools(true);
        if (con instanceof ConnectionWrapper) {
            ConnectionWrapper realCon = (ConnectionWrapper) con;
            assertTrue("Is realConnection closed?", realCon.realConnection().isClosed());
        }
        assertTrue("Passed. Even if the pool was in use it did not throw any exception.", true);
        try {
            manager.getPoolStatistics("MYSQL2");
            fail("Should have thrown NullPointerException.");
        } catch (NullPointerException e) {
            assertTrue("Caught NullPointerException", true);
        }
        try {
            manager.getPoolStatistics("MYSQL");
            fail();
        } catch (NullPointerException e) {
            assertTrue("Caught NullPointerException", true);
        }
    } catch (ConfigurationException e) {
        e.printStackTrace();
        fail("Caught ConfigurationException");
    } catch (ParseException e) {
        e.printStackTrace();
        fail("Caught ParseException");
    } catch (IOException e) {
        e.printStackTrace();
        fail("Caught IOException");
    } catch (SQLException e) {
        e.printStackTrace();
        fail("Caught SQLException");
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
        fail("Caught ClassNotFoundException");
    } finally {
        manager.destroy(true);
        testGetInstanceNull();
    }

    logger.debug("testForceShutdown end.");
}

---

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