20 duplicated lines in:
  - log4j-1.2-api/src/main/java/org/apache/log4j/helpers/OptionConverter.java (435:468, 6%)
  - log4j-core/src/main/java/org/apache/logging/log4j/core/util/OptionConverter.java (372:405, 10%)

17 duplicated lines in:
  - log4j-1.2-api/src/main/java/org/apache/log4j/DefaultThrowableRenderer.java (46:66, 58%)
  - log4j-core/src/main/java/org/apache/logging/log4j/core/layout/HtmlLayout.java (266:286, 5%)

13 duplicated lines in:
  - log4j-1.2-api/src/main/java/org/apache/log4j/helpers/PatternParser.java (126:141, 4%)
  - log4j-core/src/main/java/org/apache/logging/log4j/core/pattern/PatternParser.java (365:385, 3%)

10 duplicated lines in:
  - log4j-1.2-api/src/main/java/org/apache/log4j/pattern/NameAbbreviator.java (289:306, 9%)
  - log4j-core/src/main/java/org/apache/logging/log4j/core/pattern/NameAbbreviator.java (102:118, 7%)

9 duplicated lines in:
  - log4j-1.2-api/src/main/java/org/apache/log4j/helpers/OptionConverter.java (196:205, 2%)
  - log4j-core/src/main/java/org/apache/logging/log4j/core/util/OptionConverter.java (60:69, 4%)

9 duplicated lines in:
  - log4j-1.2-api/src/main/java/org/apache/log4j/helpers/OptionConverter.java (225:235, 2%)
  - log4j-core/src/main/java/org/apache/logging/log4j/core/util/OptionConverter.java (265:275, 4%)

9 duplicated lines in:
  - log4j-1.2-api/src/main/java/org/apache/log4j/DefaultThrowableRenderer.java (56:66, 31%)
  - log4j-core/src/main/java/org/apache/logging/log4j/core/util/Throwables.java (79:89, 22%)

9 duplicated lines in:
  - log4j-1.2-api/src/main/java/org/apache/log4j/helpers/OptionConverter.java (420:431, 2%)
  - log4j-core/src/main/java/org/apache/logging/log4j/core/util/OptionConverter.java (357:368, 4%)

8 duplicated lines in:
  - log4j-1.2-api/src/main/java/org/apache/log4j/pattern/FormattingInfo.java (81:90, 24%)
  - log4j-core/src/main/java/org/apache/logging/log4j/core/pattern/FormattingInfo.java (186:195, 11%)

7 duplicated lines in:
  - log4j-1.2-api/src/main/java/org/apache/log4j/bridge/LogEventWrapper.java (163:173, 6%)
  - log4j-core/src/main/java/org/apache/logging/log4j/core/AbstractLogEvent.java (138:148, 9%)

7 duplicated lines in:
  - log4j-1.2-api/src/main/java/org/apache/log4j/bridge/LogEventAdapter.java (75:82, 9%)
  - log4j-core/src/main/java/org/apache/logging/log4j/core/appender/rolling/OnStartupTriggeringPolicy.java (63:70, 17%)

7 duplicated lines in:
  - log4j-1.2-api/src/main/java/org/apache/log4j/bridge/LogEventAdapter.java (61:73, 9%)
  - log4j-core/src/main/java/org/apache/logging/log4j/core/appender/rolling/OnStartupTriggeringPolicy.java (46:59, 17%)

7 duplicated lines in:
  - log4j-1.2-api/src/main/java/org/apache/log4j/pattern/NameAbbreviator.java (309:331, 6%)
  - log4j-core/src/main/java/org/apache/logging/log4j/core/pattern/NameAbbreviator.java (121:143, 4%)

6 duplicated lines in:
  - log4j-1.2-api/src/main/java/org/apache/log4j/xml/XmlConfiguration.java (183:188, 1%)
  - log4j-core/src/main/java/org/apache/logging/log4j/core/config/json/JsonConfiguration.java (128:133, 3%)

6 duplicated lines in:
  - log4j-1.2-api/src/main/java/org/apache/log4j/DefaultThrowableRenderer.java (46:53, 20%)
  - log4j-core/src/main/java/org/apache/logging/log4j/core/util/Throwables.java (69:76, 15%)

6 duplicated lines in:
  - log4j-1.2-api/src/main/java/org/apache/log4j/config/PropertiesConfiguration.java (134:139, 2%)
  - log4j-core/src/main/java/org/apache/logging/log4j/core/config/json/JsonConfiguration.java (128:133, 3%)

6 duplicated lines in:
  - log4j-1.2-api/src/main/java/org/apache/log4j/xml/XmlConfiguration.java (183:188, 1%)
  - log4j-core/src/main/java/org/apache/logging/log4j/core/config/yaml/YamlConfiguration.java (39:44, 37%)

6 duplicated lines in:
  - log4j-1.2-api/src/main/java/org/apache/log4j/config/PropertiesConfiguration.java (134:139, 2%)
  - log4j-core/src/main/java/org/apache/logging/log4j/core/config/yaml/YamlConfiguration.java (39:44, 37%)

6 duplicated lines in:
  - log4j-1.2-api/src/main/java/org/apache/log4j/xml/XmlConfiguration.java (183:188, 1%)
  - log4j-core/src/main/java/org/apache/logging/log4j/core/config/properties/PropertiesConfiguration.java (39:44, 37%)

6 duplicated lines in:
  - log4j-1.2-api/src/main/java/org/apache/log4j/helpers/PatternParser.java (157:163, 1%)
  - log4j-core/src/main/java/org/apache/logging/log4j/core/pattern/PatternParser.java (399:408, 1%)

6 duplicated lines in:
  - log4j-1.2-api/src/main/java/org/apache/log4j/xml/XmlConfiguration.java (183:188, 1%)
  - log4j-core/src/main/java/org/apache/logging/log4j/core/config/xml/XmlConfiguration.java (254:259, 2%)

6 duplicated lines in:
  - log4j-1.2-api/src/main/java/org/apache/log4j/config/PropertiesConfiguration.java (134:139, 2%)
  - log4j-core/src/main/java/org/apache/logging/log4j/core/config/properties/PropertiesConfiguration.java (39:44, 37%)

6 duplicated lines in:
  - log4j-1.2-api/src/main/java/org/apache/log4j/config/PropertiesConfiguration.java (134:139, 2%)
  - log4j-core/src/main/java/org/apache/logging/log4j/core/config/xml/XmlConfiguration.java (254:259, 2%)

6 duplicated lines in:
  - log4j-1.2-api/src/main/java/org/apache/log4j/bridge/LogEventWrapper.java (173:180, 5%)
  - log4j-core/src/main/java/org/apache/logging/log4j/core/layout/AbstractJacksonLayout.java (533:540, 2%)