Is your getConnection() method static? Gary
On Tue, Nov 29, 2016 at 9:04 AM, Michael Carman <michael.j.car...@gmail.com> wrote: > I'm using Log4j2 in an Eclipse RCP application. I've been using a > RollingFileAppender and am trying to switch to a JDBC appender backed by a > ConnectionFactory. I've implemented this using the examples at > https://logging.apache.org/log4j/2.x/manual/appenders.html#JDBCAppender as > a guide but get a ClassNotFoundException at each call to > LogManager.getLogger(). e.g. > > 2016-11-29 10:23:06,233 main ERROR java.lang.ClassNotFoundException: > x.y.z.LogDB java.lang.ClassNotFoundException: x.y.z.LogDB > at > org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal( > BundleLoader.java:506) > at > org.eclipse.osgi.internal.loader.BundleLoader.findClass( > BundleLoader.java:422) > at > org.eclipse.osgi.internal.loader.BundleLoader.findClass( > BundleLoader.java:410) > at > org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass( > DefaultClassLoader.java:107) > at java.lang.ClassLoader.loadClass(ClassLoader.java:357) > at java.lang.Class.forName0(Native Method) > at java.lang.Class.forName(Class.java:264) > at > org.apache.logging.log4j.util.LoaderUtil.loadClass(LoaderUtil.java:141) > at > org.apache.logging.log4j.core.appender.db.jdbc. > FactoryMethodConnectionSource.createConnectionSource( > FactoryMethodConnectionSource.java:82) > ... > > My log4j2.xml defines the appender as: > > <JDBC name="DB" tableName="APP_LOG"> > <ConnectionFactory class="x.y.z.LogDB" method="getConnection" /> > <Column name="TIMESTAMP" isEventTimestamp="true" /> > <Column name="PID" pattern="%X{pid}" /> > <Column name="THREAD" pattern="%thread" /> > <Column name="USERNAME" pattern="${env:USERNAME}" /> > <Column name="SEVERITY" pattern="%level" /> > <Column name="LOGGER" pattern="%logger{1.1.1.*}" /> > <Column name="MESSAGE" pattern="%message" /> > <Column name="EXCEPTION" pattern="%exception" isClob="true" /> > </JDBC> > > I've looked at the obvious things: the name of my factory class matches > between my code and config file, it's declared public, and its package is > exported by the parent plug-in. (The parent plug-in is also required by > other plugins via their manifests.) I can't see why the class loader > shouldn't be able to find it. I assume there's something simple and stupid > that I'm missing. > > I'm using Eclipse 3.6.2 (Helios) and Log4j 2.7. > > -Mike > -- E-Mail: garydgreg...@gmail.com | ggreg...@apache.org Java Persistence with Hibernate, Second Edition <https://www.amazon.com/gp/product/1617290459/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1617290459&linkCode=as2&tag=garygregory-20&linkId=cadb800f39946ec62ea2b1af9fe6a2b8> <http:////ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&a=1617290459> JUnit in Action, Second Edition <https://www.amazon.com/gp/product/1935182021/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1935182021&linkCode=as2&tag=garygregory-20&linkId=31ecd1f6b6d1eaf8886ac902a24de418%22> <http:////ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&a=1935182021> Spring Batch in Action <https://www.amazon.com/gp/product/1935182951/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1935182951&linkCode=%7B%7BlinkCode%7D%7D&tag=garygregory-20&linkId=%7B%7Blink_id%7D%7D%22%3ESpring+Batch+in+Action> <http:////ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&a=1935182951> Blog: http://garygregory.wordpress.com Home: http://garygregory.com/ Tweet! http://twitter.com/GaryGregory
