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Apache Log4j 1.x Compatibility API ™

API Change Analysis Results

The summary of the API changes between artifacts org.apache.logging.log4j:log4j-1.2-api:jar:2.12.0 and org.apache.logging.log4j:log4j-1.2-api:jar:2.12.1.

Breaking Changes

Binary

Difference Code Element Description
java.class.noLongerImplementsInterface class org.apache.log4j.layout.Log4j1XmlLayout Class no longer implements interface 'org.apache.logging.log4j.core.Layout<java.lang.String>'.
java.class.noLongerImplementsInterface class org.apache.log4j.layout.Log4j1XmlLayout Class no longer implements interface 'org.apache.logging.log4j.core.layout.Encoder<org.apache.logging.log4j.core.LogEvent>'.
java.class.noLongerImplementsInterface class org.apache.log4j.layout.Log4j1XmlLayout Class no longer implements interface 'org.apache.logging.log4j.core.StringLayout'.
java.class.noLongerImplementsInterface class org.apache.log4j.layout.Log4j1XmlLayout Class no longer implements interface 'org.apache.logging.log4j.core.Layout<java.lang.String>'.
java.class.noLongerImplementsInterface class org.apache.log4j.layout.Log4j1XmlLayout Class no longer implements interface 'org.apache.logging.log4j.core.layout.Encoder<org.apache.logging.log4j.core.LogEvent>'.
java.class.noLongerImplementsInterface class org.apache.log4j.pattern.Log4j1MdcPatternConverter Class no longer implements interface 'org.apache.logging.log4j.core.pattern.PatternConverter'.
java.class.noLongerImplementsInterface class org.apache.log4j.pattern.Log4j1NdcPatternConverter Class no longer implements interface 'org.apache.logging.log4j.core.pattern.PatternConverter'.
java.field.removed field org.apache.logging.log4j.core.layout.AbstractLayout<T extends java.io.Serializable>.LOGGER @ org.apache.log4j.layout.Log4j1XmlLayout Field removed from class.
java.field.removed field org.apache.logging.log4j.core.layout.AbstractLayout<T extends java.io.Serializable>.configuration @ org.apache.log4j.layout.Log4j1XmlLayout Field removed from class.
java.field.removed field org.apache.logging.log4j.core.layout.AbstractLayout<T extends java.io.Serializable>.eventCount @ org.apache.log4j.layout.Log4j1XmlLayout Field removed from class.
java.field.removed field org.apache.logging.log4j.core.layout.AbstractLayout<T extends java.io.Serializable>.footer @ org.apache.log4j.layout.Log4j1XmlLayout Field removed from class.
java.field.removed field org.apache.logging.log4j.core.layout.AbstractLayout<T extends java.io.Serializable>.header @ org.apache.log4j.layout.Log4j1XmlLayout Field removed from class.
java.field.removed field org.apache.logging.log4j.core.layout.AbstractStringLayout.MAX_STRING_BUILDER_SIZE @ org.apache.log4j.layout.Log4j1XmlLayout Field removed from class.
java.field.removed field org.apache.logging.log4j.core.pattern.AbstractPatternConverter.LOGGER @ org.apache.log4j.pattern.Log4j1MdcPatternConverter Field removed from class.
java.field.removed field org.apache.logging.log4j.core.pattern.AbstractPatternConverter.LOGGER @ org.apache.log4j.pattern.Log4j1NdcPatternConverter Field removed from class.
java.method.parameterTypeChanged parameter void org.apache.log4j.Category::<init>(===org.apache.logging.log4j.core.LoggerContext===, java.lang.String) The type of the parameter changed from 'org.apache.logging.log4j.core.LoggerContext' to 'org.apache.logging.log4j.spi.LoggerContext'.
java.method.removed method <T extends org.apache.logging.log4j.core.config.builder.impl.BuiltConfiguration> org.apache.logging.log4j.core.config.builder.api.ConfigurationBuilder<T> org.apache.logging.log4j.core.config.builder.api.ConfigurationBuilderFactory::newConfigurationBuilder(java.lang.Class<T>) @ org.apache.log4j.config.Log4j1ConfigurationFactory Method was removed.
java.method.removed method boolean org.apache.logging.log4j.core.pattern.LogEventPatternConverter::handlesThrowable() @ org.apache.log4j.pattern.Log4j1MdcPatternConverter Method was removed.
java.method.removed method boolean org.apache.logging.log4j.core.pattern.LogEventPatternConverter::handlesThrowable() @ org.apache.log4j.pattern.Log4j1NdcPatternConverter Method was removed.
java.method.removed method boolean org.apache.logging.log4j.core.pattern.LogEventPatternConverter::isVariable() @ org.apache.log4j.pattern.Log4j1MdcPatternConverter Method was removed.
java.method.removed method boolean org.apache.logging.log4j.core.pattern.LogEventPatternConverter::isVariable() @ org.apache.log4j.pattern.Log4j1NdcPatternConverter Method was removed.
java.method.removed method boolean org.apache.logging.log4j.core.tools.BasicCommandLineArguments::isHelp() @ org.apache.log4j.config.Log4j1ConfigurationConverter.CommandLineArguments Method was removed.
java.method.removed method byte[] org.apache.logging.log4j.core.layout.AbstractStringLayout::getBytes(java.lang.String) @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method byte[] org.apache.logging.log4j.core.layout.AbstractStringLayout::getFooter() @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method byte[] org.apache.logging.log4j.core.layout.AbstractStringLayout::getHeader() @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method byte[] org.apache.logging.log4j.core.layout.AbstractStringLayout::serializeToBytes(org.apache.logging.log4j.core.layout.AbstractStringLayout.Serializer, byte[]) @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method byte[] org.apache.logging.log4j.core.layout.AbstractStringLayout::toByteArray(org.apache.logging.log4j.core.LogEvent) @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method java.lang.String org.apache.logging.log4j.core.layout.AbstractStringLayout::getContentType() @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method java.lang.String org.apache.logging.log4j.core.layout.AbstractStringLayout::serializeToString(org.apache.logging.log4j.core.layout.AbstractStringLayout.Serializer) @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method java.lang.String org.apache.logging.log4j.core.pattern.AbstractPatternConverter::getName() @ org.apache.log4j.pattern.Log4j1MdcPatternConverter Method was removed.
java.method.removed method java.lang.String org.apache.logging.log4j.core.pattern.AbstractPatternConverter::getName() @ org.apache.log4j.pattern.Log4j1NdcPatternConverter Method was removed.
java.method.removed method java.lang.String org.apache.logging.log4j.core.pattern.AbstractPatternConverter::getStyleClass(java.lang.Object) @ org.apache.log4j.pattern.Log4j1MdcPatternConverter Method was removed.
java.method.removed method java.lang.String org.apache.logging.log4j.core.pattern.AbstractPatternConverter::getStyleClass(java.lang.Object) @ org.apache.log4j.pattern.Log4j1NdcPatternConverter Method was removed.
java.method.removed method java.lang.StringBuilder org.apache.logging.log4j.core.layout.AbstractStringLayout::getStringBuilder() @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method java.nio.charset.Charset org.apache.logging.log4j.core.layout.AbstractStringLayout::getCharset() @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method java.util.Map<java.lang.String, java.lang.String> org.apache.logging.log4j.core.layout.AbstractLayout<T extends java.io.Serializable>::getContentFormat() @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method org.apache.logging.log4j.core.config.Configuration org.apache.logging.log4j.core.layout.AbstractLayout<T extends java.io.Serializable>::getConfiguration() @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method org.apache.logging.log4j.core.config.builder.api.ConfigurationBuilder<org.apache.logging.log4j.core.config.builder.impl.BuiltConfiguration> org.apache.logging.log4j.core.config.builder.api.ConfigurationBuilderFactory::newConfigurationBuilder() @ org.apache.log4j.config.Log4j1ConfigurationFactory Method was removed.
java.method.removed method org.apache.logging.log4j.core.layout.AbstractStringLayout.Serializer org.apache.logging.log4j.core.layout.AbstractStringLayout::getFooterSerializer() @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method org.apache.logging.log4j.core.layout.AbstractStringLayout.Serializer org.apache.logging.log4j.core.layout.AbstractStringLayout::getHeaderSerializer() @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method org.apache.logging.log4j.core.layout.Encoder<java.lang.StringBuilder> org.apache.logging.log4j.core.layout.AbstractStringLayout::getStringBuilderEncoder() @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method void org.apache.logging.log4j.core.layout.AbstractLayout<T extends java.io.Serializable>::markEvent() @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method void org.apache.logging.log4j.core.layout.AbstractStringLayout::trimToMaxSize(java.lang.StringBuilder) @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method void org.apache.logging.log4j.core.pattern.LogEventPatternConverter::format(java.lang.Object, java.lang.StringBuilder) @ org.apache.log4j.pattern.Log4j1MdcPatternConverter Method was removed.
java.method.removed method void org.apache.logging.log4j.core.pattern.LogEventPatternConverter::format(java.lang.Object, java.lang.StringBuilder) @ org.apache.log4j.pattern.Log4j1NdcPatternConverter Method was removed.
java.method.removed method void org.apache.logging.log4j.core.tools.BasicCommandLineArguments::setHelp(boolean) @ org.apache.log4j.config.Log4j1ConfigurationConverter.CommandLineArguments Method was removed.

Source

Difference Code Element Description
java.class.noLongerImplementsInterface class org.apache.log4j.layout.Log4j1XmlLayout Class no longer implements interface 'org.apache.logging.log4j.core.Layout<java.lang.String>'.
java.class.noLongerImplementsInterface class org.apache.log4j.layout.Log4j1XmlLayout Class no longer implements interface 'org.apache.logging.log4j.core.layout.Encoder<org.apache.logging.log4j.core.LogEvent>'.
java.class.noLongerImplementsInterface class org.apache.log4j.layout.Log4j1XmlLayout Class no longer implements interface 'org.apache.logging.log4j.core.StringLayout'.
java.class.noLongerImplementsInterface class org.apache.log4j.layout.Log4j1XmlLayout Class no longer implements interface 'org.apache.logging.log4j.core.Layout<java.lang.String>'.
java.class.noLongerImplementsInterface class org.apache.log4j.layout.Log4j1XmlLayout Class no longer implements interface 'org.apache.logging.log4j.core.layout.Encoder<org.apache.logging.log4j.core.LogEvent>'.
java.class.noLongerImplementsInterface class org.apache.log4j.pattern.Log4j1MdcPatternConverter Class no longer implements interface 'org.apache.logging.log4j.core.pattern.PatternConverter'.
java.class.noLongerImplementsInterface class org.apache.log4j.pattern.Log4j1NdcPatternConverter Class no longer implements interface 'org.apache.logging.log4j.core.pattern.PatternConverter'.
java.field.removed field org.apache.logging.log4j.core.layout.AbstractLayout<T extends java.io.Serializable>.LOGGER @ org.apache.log4j.layout.Log4j1XmlLayout Field removed from class.
java.field.removed field org.apache.logging.log4j.core.layout.AbstractLayout<T extends java.io.Serializable>.configuration @ org.apache.log4j.layout.Log4j1XmlLayout Field removed from class.
java.field.removed field org.apache.logging.log4j.core.layout.AbstractLayout<T extends java.io.Serializable>.eventCount @ org.apache.log4j.layout.Log4j1XmlLayout Field removed from class.
java.field.removed field org.apache.logging.log4j.core.layout.AbstractLayout<T extends java.io.Serializable>.footer @ org.apache.log4j.layout.Log4j1XmlLayout Field removed from class.
java.field.removed field org.apache.logging.log4j.core.layout.AbstractLayout<T extends java.io.Serializable>.header @ org.apache.log4j.layout.Log4j1XmlLayout Field removed from class.
java.field.removed field org.apache.logging.log4j.core.layout.AbstractStringLayout.MAX_STRING_BUILDER_SIZE @ org.apache.log4j.layout.Log4j1XmlLayout Field removed from class.
java.field.removed field org.apache.logging.log4j.core.pattern.AbstractPatternConverter.LOGGER @ org.apache.log4j.pattern.Log4j1MdcPatternConverter Field removed from class.
java.field.removed field org.apache.logging.log4j.core.pattern.AbstractPatternConverter.LOGGER @ org.apache.log4j.pattern.Log4j1NdcPatternConverter Field removed from class.
java.field.removedWithConstant field org.apache.logging.log4j.core.layout.AbstractStringLayout.DEFAULT_STRING_BUILDER_SIZE @ org.apache.log4j.layout.Log4j1XmlLayout Field with constant value has been removed.
java.field.removedWithConstant field org.apache.logging.log4j.core.pattern.PatternConverter.CATEGORY @ org.apache.log4j.pattern.Log4j1MdcPatternConverter Field with constant value has been removed.
java.field.removedWithConstant field org.apache.logging.log4j.core.pattern.PatternConverter.CATEGORY @ org.apache.log4j.pattern.Log4j1NdcPatternConverter Field with constant value has been removed.
java.method.removed method <T extends org.apache.logging.log4j.core.config.builder.impl.BuiltConfiguration> org.apache.logging.log4j.core.config.builder.api.ConfigurationBuilder<T> org.apache.logging.log4j.core.config.builder.api.ConfigurationBuilderFactory::newConfigurationBuilder(java.lang.Class<T>) @ org.apache.log4j.config.Log4j1ConfigurationFactory Method was removed.
java.method.removed method boolean org.apache.logging.log4j.core.pattern.LogEventPatternConverter::handlesThrowable() @ org.apache.log4j.pattern.Log4j1MdcPatternConverter Method was removed.
java.method.removed method boolean org.apache.logging.log4j.core.pattern.LogEventPatternConverter::handlesThrowable() @ org.apache.log4j.pattern.Log4j1NdcPatternConverter Method was removed.
java.method.removed method boolean org.apache.logging.log4j.core.pattern.LogEventPatternConverter::isVariable() @ org.apache.log4j.pattern.Log4j1MdcPatternConverter Method was removed.
java.method.removed method boolean org.apache.logging.log4j.core.pattern.LogEventPatternConverter::isVariable() @ org.apache.log4j.pattern.Log4j1NdcPatternConverter Method was removed.
java.method.removed method boolean org.apache.logging.log4j.core.tools.BasicCommandLineArguments::isHelp() @ org.apache.log4j.config.Log4j1ConfigurationConverter.CommandLineArguments Method was removed.
java.method.removed method byte[] org.apache.logging.log4j.core.layout.AbstractStringLayout::getBytes(java.lang.String) @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method byte[] org.apache.logging.log4j.core.layout.AbstractStringLayout::getFooter() @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method byte[] org.apache.logging.log4j.core.layout.AbstractStringLayout::getHeader() @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method byte[] org.apache.logging.log4j.core.layout.AbstractStringLayout::serializeToBytes(org.apache.logging.log4j.core.layout.AbstractStringLayout.Serializer, byte[]) @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method byte[] org.apache.logging.log4j.core.layout.AbstractStringLayout::toByteArray(org.apache.logging.log4j.core.LogEvent) @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method java.lang.String org.apache.logging.log4j.core.layout.AbstractStringLayout::getContentType() @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method java.lang.String org.apache.logging.log4j.core.layout.AbstractStringLayout::serializeToString(org.apache.logging.log4j.core.layout.AbstractStringLayout.Serializer) @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method java.lang.String org.apache.logging.log4j.core.pattern.AbstractPatternConverter::getName() @ org.apache.log4j.pattern.Log4j1MdcPatternConverter Method was removed.
java.method.removed method java.lang.String org.apache.logging.log4j.core.pattern.AbstractPatternConverter::getName() @ org.apache.log4j.pattern.Log4j1NdcPatternConverter Method was removed.
java.method.removed method java.lang.String org.apache.logging.log4j.core.pattern.AbstractPatternConverter::getStyleClass(java.lang.Object) @ org.apache.log4j.pattern.Log4j1MdcPatternConverter Method was removed.
java.method.removed method java.lang.String org.apache.logging.log4j.core.pattern.AbstractPatternConverter::getStyleClass(java.lang.Object) @ org.apache.log4j.pattern.Log4j1NdcPatternConverter Method was removed.
java.method.removed method java.lang.StringBuilder org.apache.logging.log4j.core.layout.AbstractStringLayout::getStringBuilder() @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method java.nio.charset.Charset org.apache.logging.log4j.core.layout.AbstractStringLayout::getCharset() @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method java.util.Map<java.lang.String, java.lang.String> org.apache.logging.log4j.core.layout.AbstractLayout<T extends java.io.Serializable>::getContentFormat() @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method org.apache.logging.log4j.core.config.Configuration org.apache.logging.log4j.core.layout.AbstractLayout<T extends java.io.Serializable>::getConfiguration() @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method org.apache.logging.log4j.core.config.builder.api.ConfigurationBuilder<org.apache.logging.log4j.core.config.builder.impl.BuiltConfiguration> org.apache.logging.log4j.core.config.builder.api.ConfigurationBuilderFactory::newConfigurationBuilder() @ org.apache.log4j.config.Log4j1ConfigurationFactory Method was removed.
java.method.removed method org.apache.logging.log4j.core.layout.AbstractStringLayout.Serializer org.apache.logging.log4j.core.layout.AbstractStringLayout::getFooterSerializer() @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method org.apache.logging.log4j.core.layout.AbstractStringLayout.Serializer org.apache.logging.log4j.core.layout.AbstractStringLayout::getHeaderSerializer() @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method org.apache.logging.log4j.core.layout.Encoder<java.lang.StringBuilder> org.apache.logging.log4j.core.layout.AbstractStringLayout::getStringBuilderEncoder() @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method void org.apache.logging.log4j.core.layout.AbstractLayout<T extends java.io.Serializable>::markEvent() @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method void org.apache.logging.log4j.core.layout.AbstractStringLayout::trimToMaxSize(java.lang.StringBuilder) @ org.apache.log4j.layout.Log4j1XmlLayout Method was removed.
java.method.removed method void org.apache.logging.log4j.core.pattern.LogEventPatternConverter::format(java.lang.Object, java.lang.StringBuilder) @ org.apache.log4j.pattern.Log4j1MdcPatternConverter Method was removed.
java.method.removed method void org.apache.logging.log4j.core.pattern.LogEventPatternConverter::format(java.lang.Object, java.lang.StringBuilder) @ org.apache.log4j.pattern.Log4j1NdcPatternConverter Method was removed.
java.method.removed method void org.apache.logging.log4j.core.tools.BasicCommandLineArguments::setHelp(boolean) @ org.apache.log4j.config.Log4j1ConfigurationConverter.CommandLineArguments Method was removed.

Potentially Breaking Changes

Binary

Difference Code Element Description
java.missing.newClass missing-class org.apache.logging.log4j.core.LogEvent Class 'org.apache.logging.log4j.core.LogEvent' could not be found in the archives of the new API. It has been detected as contributing to the API and thus the analysis results may be incorrect.
java.missing.newClass missing-class org.apache.logging.log4j.core.LoggerContext Class 'org.apache.logging.log4j.core.LoggerContext' could not be found in the archives of the new API. It has been detected as contributing to the API and thus the analysis results may be incorrect.
java.missing.newClass missing-class org.apache.logging.log4j.core.config.Configuration Class 'org.apache.logging.log4j.core.config.Configuration' could not be found in the archives of the new API. It has been detected as contributing to the API and thus the analysis results may be incorrect.
java.missing.newClass missing-class org.apache.logging.log4j.core.config.ConfigurationSource Class 'org.apache.logging.log4j.core.config.ConfigurationSource' could not be found in the archives of the new API. It has been detected as contributing to the API and thus the analysis results may be incorrect.
java.missing.newClass missing-class org.apache.logging.log4j.core.config.builder.api.ConfigurationBuilder Class 'org.apache.logging.log4j.core.config.builder.api.ConfigurationBuilder' could not be found in the archives of the new API. It has been detected as contributing to the API and thus the analysis results may be incorrect.
java.missing.newClass missing-class org.apache.logging.log4j.core.config.builder.impl.BuiltConfiguration Class 'org.apache.logging.log4j.core.config.builder.impl.BuiltConfiguration' could not be found in the archives of the new API. It has been detected as contributing to the API and thus the analysis results may be incorrect.
java.missing.newClass missing-class org.apache.logging.log4j.core.layout.ByteBufferDestination Class 'org.apache.logging.log4j.core.layout.ByteBufferDestination' could not be found in the archives of the new API. It has been detected as contributing to the API and thus the analysis results may be incorrect.
java.missing.newSuperType class org.apache.log4j.config.Log4j1ConfigurationConverter.CommandLineArguments Class inherits from 'org.apache.logging.log4j.core.tools.BasicCommandLineArguments' which was not found in the supplied archives of the new API. Analysis may be incorrect.
java.missing.newSuperType class org.apache.log4j.config.Log4j1ConfigurationFactory Class inherits from 'org.apache.logging.log4j.core.config.ConfigurationFactory' which was not found in the supplied archives of the new API. Analysis may be incorrect.
java.missing.newSuperType class org.apache.log4j.layout.Log4j1XmlLayout Class inherits from 'org.apache.logging.log4j.core.layout.AbstractStringLayout' which was not found in the supplied archives of the new API. Analysis may be incorrect.
java.missing.newSuperType class org.apache.log4j.pattern.Log4j1MdcPatternConverter Class inherits from 'org.apache.logging.log4j.core.pattern.LogEventPatternConverter' which was not found in the supplied archives of the new API. Analysis may be incorrect.
java.missing.newSuperType class org.apache.log4j.pattern.Log4j1NdcPatternConverter Class inherits from 'org.apache.logging.log4j.core.pattern.LogEventPatternConverter' which was not found in the supplied archives of the new API. Analysis may be incorrect.
java.missing.oldClass missing-class com.lmax.disruptor.RingBuffer Class 'com.lmax.disruptor.RingBuffer' could not be found in the archives of the old API. It has been detected as contributing to the API and thus the analysis results may be incorrect.

Source

Difference Code Element Description
java.method.parameterTypeChanged parameter void org.apache.log4j.Category::<init>(===org.apache.logging.log4j.core.LoggerContext===, java.lang.String) The type of the parameter changed from 'org.apache.logging.log4j.core.LoggerContext' to 'org.apache.logging.log4j.spi.LoggerContext'.
java.missing.newClass missing-class org.apache.logging.log4j.core.LogEvent Class 'org.apache.logging.log4j.core.LogEvent' could not be found in the archives of the new API. It has been detected as contributing to the API and thus the analysis results may be incorrect.
java.missing.newClass missing-class org.apache.logging.log4j.core.LoggerContext Class 'org.apache.logging.log4j.core.LoggerContext' could not be found in the archives of the new API. It has been detected as contributing to the API and thus the analysis results may be incorrect.
java.missing.newClass missing-class org.apache.logging.log4j.core.config.Configuration Class 'org.apache.logging.log4j.core.config.Configuration' could not be found in the archives of the new API. It has been detected as contributing to the API and thus the analysis results may be incorrect.
java.missing.newClass missing-class org.apache.logging.log4j.core.config.ConfigurationSource Class 'org.apache.logging.log4j.core.config.ConfigurationSource' could not be found in the archives of the new API. It has been detected as contributing to the API and thus the analysis results may be incorrect.
java.missing.newClass missing-class org.apache.logging.log4j.core.config.builder.api.ConfigurationBuilder Class 'org.apache.logging.log4j.core.config.builder.api.ConfigurationBuilder' could not be found in the archives of the new API. It has been detected as contributing to the API and thus the analysis results may be incorrect.
java.missing.newClass missing-class org.apache.logging.log4j.core.config.builder.impl.BuiltConfiguration Class 'org.apache.logging.log4j.core.config.builder.impl.BuiltConfiguration' could not be found in the archives of the new API. It has been detected as contributing to the API and thus the analysis results may be incorrect.
java.missing.newClass missing-class org.apache.logging.log4j.core.layout.ByteBufferDestination Class 'org.apache.logging.log4j.core.layout.ByteBufferDestination' could not be found in the archives of the new API. It has been detected as contributing to the API and thus the analysis results may be incorrect.
java.missing.newSuperType class org.apache.log4j.config.Log4j1ConfigurationConverter.CommandLineArguments Class inherits from 'org.apache.logging.log4j.core.tools.BasicCommandLineArguments' which was not found in the supplied archives of the new API. Analysis may be incorrect.
java.missing.newSuperType class org.apache.log4j.config.Log4j1ConfigurationFactory Class inherits from 'org.apache.logging.log4j.core.config.ConfigurationFactory' which was not found in the supplied archives of the new API. Analysis may be incorrect.
java.missing.newSuperType class org.apache.log4j.layout.Log4j1XmlLayout Class inherits from 'org.apache.logging.log4j.core.layout.AbstractStringLayout' which was not found in the supplied archives of the new API. Analysis may be incorrect.
java.missing.newSuperType class org.apache.log4j.pattern.Log4j1MdcPatternConverter Class inherits from 'org.apache.logging.log4j.core.pattern.LogEventPatternConverter' which was not found in the supplied archives of the new API. Analysis may be incorrect.
java.missing.newSuperType class org.apache.log4j.pattern.Log4j1NdcPatternConverter Class inherits from 'org.apache.logging.log4j.core.pattern.LogEventPatternConverter' which was not found in the supplied archives of the new API. Analysis may be incorrect.
java.missing.oldClass missing-class com.lmax.disruptor.RingBuffer Class 'com.lmax.disruptor.RingBuffer' could not be found in the archives of the old API. It has been detected as contributing to the API and thus the analysis results may be incorrect.

Semantic

Difference Code Element Description
java.field.removedWithConstant field org.apache.logging.log4j.core.layout.AbstractStringLayout.DEFAULT_STRING_BUILDER_SIZE @ org.apache.log4j.layout.Log4j1XmlLayout Field with constant value has been removed.
java.field.removedWithConstant field org.apache.logging.log4j.core.pattern.PatternConverter.CATEGORY @ org.apache.log4j.pattern.Log4j1MdcPatternConverter Field with constant value has been removed.
java.field.removedWithConstant field org.apache.logging.log4j.core.pattern.PatternConverter.CATEGORY @ org.apache.log4j.pattern.Log4j1NdcPatternConverter Field with constant value has been removed.

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