log4j 会导致这个有关问题吗

2012-3-15 9:20:56 org.apache.catalina.core.StandardWrapperValve invoke严重: Servlet.service() for servlet jsp threw exceptionjava.lang.OutOfMemoryError: PermGen space    at java.lang.ClassLoader.defineClass1(Native Method)    at java.lang.ClassLoader.defineClass(Unknown Source)    at java.security.SecureClassLoader.defineClass(Unknown Source)    at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1850)    at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:890)    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1354)    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)    at java.lang.ClassLoader.loadClassInternal(Unknown Source)    at freemarker.core.BuiltIn.<clinit>(BuiltIn.java:162)    at freemarker.core.FMParser.BuiltIn(FMParser.java:790)    at freemarker.core.FMParser.AddSubExpression(FMParser.java:726)    at freemarker.core.FMParser.PrimaryExpression(FMParser.java:273)    at freemarker.core.FMParser.UnaryExpression(FMParser.java:319)    at freemarker.core.FMParser.MultiplicativeExpression(FMParser.java:435)    at freemarker.core.FMParser.AdditiveExpression(FMParser.java:385)    at freemarker.core.FMParser.RangeExpression(FMParser.java:556)    at freemarker.core.FMParser.RelationalExpression(FMParser.java:511)    at freemarker.core.FMParser.EqualityExpression(FMParser.java:476)    at freemarker.core.FMParser.AndExpression(FMParser.java:595)    at freemarker.core.FMParser.OrExpression(FMParser.java:608)    at freemarker.core.FMParser.Expression(FMParser.java:221)    at freemarker.core.FMParser.Parenthesis(FMParser.java:283)    at freemarker.core.FMParser.PrimaryExpression(FMParser.java:256)    at freemarker.core.FMParser.UnaryExpression(FMParser.java:319)    at freemarker.core.FMParser.MultiplicativeExpression(FMParser.java:435)    at freemarker.core.FMParser.AdditiveExpression(FMParser.java:385)    at freemarker.core.FMParser.RangeExpression(FMParser.java:556)    at freemarker.core.FMParser.RelationalExpression(FMParser.java:511)    at freemarker.core.FMParser.EqualityExpression(FMParser.java:476)    at freemarker.core.FMParser.AndExpression(FMParser.java:585)    at freemarker.core.FMParser.OrExpression(FMParser.java:608)    at freemarker.core.FMParser.Expression(FMParser.java:221)