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From "David Heath (JIRA)" <derby-...@db.apache.org>
Subject [jira] Created: (DERBY-1296) Setting property derby.system.bootAll causes an Exception
Date Fri, 05 May 2006 17:09:29 GMT
Setting property derby.system.bootAll causes an Exception
---------------------------------------------------------

         Key: DERBY-1296
         URL: http://issues.apache.org/jira/browse/DERBY-1296
     Project: Derby
        Type: Bug

    Versions: 10.1.2.1    
 Environment: Windows XP
    Reporter: David Heath
    Priority: Critical


After creating 3 databases under c:\databases\sample - I wanted to get a list of available
databases, I followed the example in the "DriverPropertyInfo array example" in the developer
guide and used the following routine:
...
  private static void test2() {
    String driverName ="org.apache.derby.jdbc.EmbeddedDriver";
    String url = "jdbc:derby:";

    Properties p = System.getProperties();
    p.put("derby.system.home", "C:\\databases\\sample");
    p.put("derby.system.bootAll", "true");

    try {
      Class.forName(driverName);

      Driver driver = DriverManager.getDriver(url);
      Properties info = new Properties();

      DriverPropertyInfo[] attributes = driver.getPropertyInfo(url, info);

      for (DriverPropertyInfo attribute : attributes) {
        System.out.print(attribute.name);
        System.out.print(" : ");
        if (attribute.choices != null) {
          System.out.print(Arrays.toString(attribute.choices));
        }
        System.out.print(" : ");
        System.out.println(attribute.value);
      }
    }
    catch(Exception exp) {
      exp.printStackTrace();
    }

    try {
      DriverManager.getConnection("jdbc:derby:;shutdown=true");
    }
    catch(Exception exp) {
    }
  }

When run the following exception occured:

Exception in thread "main" java.lang.ExceptionInInitializerError
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Unknown Source)
        at Test.test2(Test.java:20)
        at Test.main(Test.java:8)
Caused by: java.lang.NullPointerException
        at org.apache.derby.impl.services.monitor.BaseMonitor.bootProviderServic
es(Unknown Source)
        at org.apache.derby.impl.services.monitor.BaseMonitor.bootPersistentServ
ices(Unknown Source)
        at org.apache.derby.impl.services.monitor.BaseMonitor.runWithState(Unkno
wn Source)
        at org.apache.derby.impl.services.monitor.FileMonitor.<init>(Unknown Sou
rce)
        at org.apache.derby.iapi.services.monitor.Monitor.startMonitor(Unknown S
ource)
        at org.apache.derby.iapi.jdbc.JDBCBoot.boot(Unknown Source)
        at org.apache.derby.jdbc.EmbeddedDriver.boot(Unknown Source)
        at org.apache.derby.jdbc.EmbeddedDriver.<clinit>(Unknown Source)
        ... 4 more

If i comment out:
// p.put("derby.system.bootAll", "true");

The program runs, but no databases are listed.

The output from java org.apache.derby.tools.sysinfo:

------------------ Java Information ------------------
Java Version:    1.5.0_05
Java Vendor:     Sun Microsystems Inc.
Java home:       C:\Program Files\Java\jre1.5.0_05
Java classpath:  C:\tools\derby\db-derby-10.1.2.1-bin\lib\derby.jar;C:\tools\der
by\db-derby-10.1.2.1-bin\lib\derbytools.jar;;C:\tools\Java\jdk1.5.0_05\lib\tools
.jar;C:\tools\log4j\logging-log4j-1.2.12\dist\lib\log4j-1.2.12.jar;C:\dev_deploy
\plugins\com.x4m.util_1.0.0.jar;C:\dev_deploy\plugins\com.x4m.uomcrs_1.0.0.jar;C
:\dev_deploy\plugins\com.x4m.database_1.0.0.jar;C:\dev_deploy\plugins\com.x4m.fe
ature_1.0.0.jar;C:\dev_deploy\plugins\org.eclipse.core.runtime_3.1.0.jar;C:\dev_
deploy\plugins\org.eclipse.osgi_3.1.0.jar;C:\dev_deploy\plugins\com.x4m.database
_1.0.0.jar;C:\david\novice\syncservices\build\class
OS name:         Windows XP
OS architecture: x86
OS version:      5.1
Java user name:  David
Java user home:  C:\Documents and Settings\David
Java user dir:   C:\david\novice\derby
java.specification.name: Java Platform API Specification
java.specification.version: 1.5
--------- Derby Information --------
JRE - JDBC: J2SE 5.0 - JDBC 3.0
[C:\tools\derby\db-derby-10.1.2.1-bin\lib\derby.jar] 10.1.2.1 - (330608)
[C:\tools\derby\db-derby-10.1.2.1-bin\lib\derbytools.jar] 10.1.2.1 - (330608)
------------------------------------------------------
----------------- Locale Information -----------------
------------------------------------------------------

I have read most of the documentation and can find no other way to get a list of available
catalogs - thus I do not know of a workaround for this problem.

David Heath
Transform Software and Services

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