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From: "Andy Malakov" <andy@transdecisions.com>
To: "OJB Developers List" <ojb-dev@db.apache.org>
Subject: chicken and egg
Date: Wed, 11 Feb 2004 17:20:45 -0500
Organization: TransDecisions, Inc
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Hello All,

Logger needs Configuration (during initialization), Configuration also =
needs Logger (if any errors come up during configuration retrieval).

LoggerFactoryImpl.getLogger() uses OjbConfigurator.getInstance() which=20

a) OjbConfigurator has static initializer Logger log =3D =
LoggerFactory.getBootLogger();
b) OjbConfigurator creates instance of OjbConfiguration which also has =
static initializizer logger =3D LoggerFactory.getBootLogger();

It doesn't result in infinite loop since initializers are executed only =
once, but result in NullPointerException:

java.lang.NullPointerException
 at =
org.apache.ojb.broker.util.logging.LoggerFactoryImpl.getLogger(LoggerFact=
oryImpl.java:173)
 at =
org.apache.ojb.broker.util.logging.LoggerFactory.getLogger(LoggerFactory.=
java:103)
 at =
org.apache.ojb.broker.accesslayer.IndirectionHandler.<clinit>(Indirection=
Handler.java:86)
 at java.lang.Class.forName0(Native Method)
 at java.lang.Class.forName(Class.java:141)
 ...

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