You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@logging.apache.org by gg...@apache.org on 2018/10/19 18:18:00 UTC

logging-log4j2 git commit: [LOG4J2-2481] Avoid NullPointerExceptions in org.apache.logging.log4j.core.config.AbstractConfiguration for null arguments to appenders.

Repository: logging-log4j2
Updated Branches:
  refs/heads/release-2.x 2928984d7 -> 8c8657e9d


[LOG4J2-2481] Avoid NullPointerExceptions in
org.apache.logging.log4j.core.config.AbstractConfiguration for null
arguments to appenders.

Project: http://git-wip-us.apache.org/repos/asf/logging-log4j2/repo
Commit: http://git-wip-us.apache.org/repos/asf/logging-log4j2/commit/8c8657e9
Tree: http://git-wip-us.apache.org/repos/asf/logging-log4j2/tree/8c8657e9
Diff: http://git-wip-us.apache.org/repos/asf/logging-log4j2/diff/8c8657e9

Branch: refs/heads/release-2.x
Commit: 8c8657e9d36a9302afbbe2ea3451e88411b0087c
Parents: 2928984
Author: Gary Gregory <ga...@gmail.com>
Authored: Fri Oct 19 12:17:55 2018 -0600
Committer: Gary Gregory <ga...@gmail.com>
Committed: Fri Oct 19 12:17:55 2018 -0600

----------------------------------------------------------------------
 .../logging/log4j/core/config/AbstractConfiguration.java | 11 ++++++++---
 src/changes/changes.xml                                  |  3 +++
 2 files changed, 11 insertions(+), 3 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/8c8657e9/log4j-core/src/main/java/org/apache/logging/log4j/core/config/AbstractConfiguration.java
----------------------------------------------------------------------
diff --git a/log4j-core/src/main/java/org/apache/logging/log4j/core/config/AbstractConfiguration.java b/log4j-core/src/main/java/org/apache/logging/log4j/core/config/AbstractConfiguration.java
index 1326285..5938539 100644
--- a/log4j-core/src/main/java/org/apache/logging/log4j/core/config/AbstractConfiguration.java
+++ b/log4j-core/src/main/java/org/apache/logging/log4j/core/config/AbstractConfiguration.java
@@ -646,7 +646,7 @@ public abstract class AbstractConfiguration extends AbstractFilterable implement
     @Override
     @SuppressWarnings("unchecked")
     public <T extends Appender> T getAppender(final String appenderName) {
-        return (T) appenders.get(appenderName);
+        return appenderName != null ? (T) appenders.get(appenderName) : null;
     }
 
     /**
@@ -666,7 +666,9 @@ public abstract class AbstractConfiguration extends AbstractFilterable implement
      */
     @Override
     public void addAppender(final Appender appender) {
-        appenders.putIfAbsent(appender.getName(), appender);
+        if (appender != null) {
+            appenders.putIfAbsent(appender.getName(), appender);
+        }
     }
 
     @Override
@@ -707,6 +709,9 @@ public abstract class AbstractConfiguration extends AbstractFilterable implement
     @Override
     public synchronized void addLoggerAppender(final org.apache.logging.log4j.core.Logger logger,
             final Appender appender) {
+        if (appender == null || logger == null) {
+            return;
+        }
         final String loggerName = logger.getName();
         appenders.putIfAbsent(appender.getName(), appender);
         final LoggerConfig lc = getLoggerConfig(loggerName);
@@ -782,7 +787,7 @@ public abstract class AbstractConfiguration extends AbstractFilterable implement
         for (final LoggerConfig logger : loggerConfigs.values()) {
             logger.removeAppender(appenderName);
         }
-        final Appender app = appenders.remove(appenderName);
+        final Appender app = appenderName != null ? appenders.remove(appenderName) : null;
 
         if (app != null) {
             app.stop();

http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/8c8657e9/src/changes/changes.xml
----------------------------------------------------------------------
diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index 61b6b11..f79138d 100644
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -91,6 +91,9 @@
       <action issue="LOG4J2-2134" dev="ggregory" type="fix" due-to="David del Amo Mateos, Gary Gregory">
       	StackOverflowError at AwaitCompletionReliabilityStrategy.
       </action>
+      <action issue="LOG4J2-2481" dev="ggregory" type="fix">
+      	Avoid NullPointerExceptions in org.apache.logging.log4j.core.config.AbstractConfiguration for null arguments.
+      </action>
     </release>
     <release version="2.11.1" date="2018-07-22" description="GA Release 2.11.1">
       <action issue="LOG4J2-2389" dev="rgoers" type="fix" due-to="Liu Wen">