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  1. Magnolia
  2. MAGNOLIA-9073

Debugging WebContextImpl throws null pointer

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Details

    • Bug
    • Resolution: Unresolved
    • Neutral
    • None
    • 6.2.38
    • None
    • None

    Description

      When using the debug feature of the class WebContextImpl you can hit a null pointer. The constructor has a debug line inside the constructor.

          /**
           * Use init to initialize the object.
           */
          public WebContextImpl() {
              log.debug("new WebContextImpl() {}", this);
          }
      

      Reproduce

      Expected
      There shouldn't be any stack trace printed to the log file.

      ERROR StatusConsoleListener An exception occurred processing Appender log-error
       java.lang.NullPointerException
      	at info.magnolia.context.AbstractContext.getAttributes(AbstractContext.java:104)
      	at info.magnolia.context.AbstractContext.getAttributes(AbstractContext.java:151)
      	at info.magnolia.context.AbstractContext.entrySet(AbstractContext.java:239)
      	at org.apache.logging.log4j.message.ParameterFormatter.appendMap(ParameterFormatter.java:580)
      	at org.apache.logging.log4j.message.ParameterFormatter.appendPotentiallyRecursiveValue(ParameterFormatter.java:511)
      	at org.apache.logging.log4j.message.ParameterFormatter.recursiveDeepToString(ParameterFormatter.java:478)
      	at org.apache.logging.log4j.message.ParameterFormatter.recursiveDeepToString(ParameterFormatter.java:449)
      	at org.apache.logging.log4j.message.ParameterFormatter.formatMessage2(ParameterFormatter.java:192)
      	at org.apache.logging.log4j.message.ParameterizedMessage.formatTo(ParameterizedMessage.java:227)
      	at org.apache.logging.log4j.message.ParameterizedMessage.getFormattedMessage(ParameterizedMessage.java:203)
      	at org.apache.logging.log4j.core.async.InternalAsyncUtil.makeMessageImmutable(InternalAsyncUtil.java:41)
      	at org.apache.logging.log4j.core.appender.AsyncAppender.append(AsyncAppender.java:157)
      	at org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:161)
      	at org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:134)
      	at org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:125)
      	at org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:89)
      	at org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:683)
      	at org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:641)
      	at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:624)
      	at org.apache.logging.log4j.core.config.LoggerConfig.logParent(LoggerConfig.java:674)
      	at org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:643)
      	at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:624)
      	at org.apache.logging.log4j.core.config.LoggerConfig.logParent(LoggerConfig.java:674)
      	at org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:643)
      	at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:624)
      	at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:560)
      	at org.apache.logging.log4j.core.config.DefaultReliabilityStrategy.log(DefaultReliabilityStrategy.java:63)
      	at org.apache.logging.log4j.core.Logger.log(Logger.java:163)
      	at org.apache.logging.log4j.spi.AbstractLogger.tryLogMessage(AbstractLogger.java:2168)
      	at org.apache.logging.log4j.spi.AbstractLogger.logMessageTrackRecursion(AbstractLogger.java:2122)
      	at org.apache.logging.log4j.spi.AbstractLogger.logMessageSafely(AbstractLogger.java:2105)
      	at org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:1997)
      	at org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1862)
      	at org.apache.logging.slf4j.Log4jLogger.debug(Log4jLogger.java:125)
      	at info.magnolia.context.WebContextImpl.<init>(WebContextImpl.java:77)
      	at info.magnolia.context.WebContextFactoryImpl$1.<init>(WebContextFactoryImpl.java:55)
      	at info.magnolia.context.WebContextFactoryImpl.createWebContext(WebContextFactoryImpl.java:55)
      

      Actual
      The above stack trace is printed to the log since this appears to be null.

      Notes
      See full-stack-trace.txt

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              Unassigned Unassigned
              rgange Richard Gange
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              Dates

                Created:
                Updated:

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