[es] - Derby Class.forName problem hitno!!!

kernel82

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Derby Class.forName problem hitno!!!

^{13.01.2006. u 15:25 - pre 222 meseci}

Jel neko imao slicna iskustva prilikom ucitavanja drivera?

Code:

Class.forName("org.apache.derby.jdbc.EmbeddedDriver").newInstance(); //greska!

Exception in thread "main" java.lang.ExceptionInInitializerError
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Unknown Source)
    at dbase.DBConnection.<init>(DBConnection.java:15)
    at dbase.DBConnection.getInstance(DBConnection.java:27)
    at test.Test.main(Test.java:12)
Caused by: java.lang.NullPointerException
    at org.apache.derby.impl.services.monitor.BaseMonitor.getDefaultImplementations(BaseMonitor.java)
    at org.apache.derby.impl.services.monitor.BaseMonitor.runWithState(BaseMonitor.java)
    at org.apache.derby.impl.services.monitor.FileMonitor.<init>(FileMonitor.java)
    at org.apache.derby.iapi.services.monitor.Monitor.startMonitor(Monitor.java)
    at org.apache.derby.iapi.jdbc.JDBCBoot.boot(JDBCBoot.java)
    at org.apache.derby.jdbc.EmbeddedDriver.boot(EmbeddedDriver.java)
    at org.apache.derby.jdbc.EmbeddedDriver.<clinit>(EmbeddedDriver.java)
    ... 5 more

Walk on, walk on
with hope in your hearts
And you'll never walk alone
You'll never walk alone.

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_owl_

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Re: Derby Class.forName problem hitno!!!

^{13.01.2006. u 22:28 - pre 222 meseci}

Ako za ucitavanje drajvera koristis Class.forName() obicno ne treba vrsiti poziv newInstance() metodi na kraju.

Owl

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kernel82

Član broj: 36093
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Re: Derby Class.forName problem hitno!!!

^{14.01.2006. u 01:34 - pre 222 meseci}

probao sam i sa i bez isti exception se javlja :-(

Walk on, walk on
with hope in your hearts
And you'll never walk alone
You'll never walk alone.

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