[logging-log4j2] 01/07: Improve exception message

[ma...@apache.org]

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mattsicker pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/logging-log4j2.git

commit 9fbb32337bf9754f0afc9eabce691f3615bae2d6
Author: Matt Sicker <ma...@apache.org>
AuthorDate: Fri Mar 25 18:52:34 2022 -0500

    Improve exception message
    
    Signed-off-by: Matt Sicker <ma...@apache.org>
---
 .../log4j/core/appender/rolling/PatternProcessor.java      | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/log4j-core/src/main/java/org/apache/logging/log4j/core/appender/rolling/PatternProcessor.java b/log4j-core/src/main/java/org/apache/logging/log4j/core/appender/rolling/PatternProcessor.java
index 8672b3d..aed78d5 100644
--- a/log4j-core/src/main/java/org/apache/logging/log4j/core/appender/rolling/PatternProcessor.java
+++ b/log4j-core/src/main/java/org/apache/logging/log4j/core/appender/rolling/PatternProcessor.java
@@ -16,12 +16,6 @@
  */
 package org.apache.logging.log4j.core.appender.rolling;
 
-import java.text.SimpleDateFormat;
-import java.util.ArrayList;
-import java.util.Calendar;
-import java.util.Date;
-import java.util.List;
-
 import org.apache.logging.log4j.Logger;
 import org.apache.logging.log4j.core.LogEvent;
 import org.apache.logging.log4j.core.impl.Log4jLogEvent;
@@ -34,6 +28,12 @@ import org.apache.logging.log4j.core.pattern.PatternConverter;
 import org.apache.logging.log4j.core.pattern.PatternParser;
 import org.apache.logging.log4j.status.StatusLogger;
 
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.List;
+
 /**
  * Parses the rollover pattern.
  */
@@ -155,7 +155,7 @@ public class PatternProcessor {
         final long nextTime;
 
         if (frequency == null) {
-            throw new IllegalStateException("Pattern does not contain a date");
+            throw new IllegalStateException("Pattern '" + pattern + "' does not contain a date");
         }
         final Calendar currentCal = Calendar.getInstance();
         currentCal.setTimeInMillis(currentMillis);