报错信息如下
Logging system failed to initialize using configuration from 'null'
: Logback configuration error detected:
ERROR in - Could not find Janino library on the class path. Skipping conditional processing.
ERROR in - See also /#ifJanino
ERROR in - Could not find Janino library on the class path. Skipping conditional processing.
ERROR in - See also /#ifJanino
ERROR in @121:18 - RuntimeException in Action for tag [springProfile] : logback stack error:
at (:179)
at (:80)
at (:60)
at (:132)
at (:312)
at (:281)
at (:239)
at (:216)
at (:176)
at (:169)
at (:143)
at (:131)
at (:82)
at $environmentPrepared$2(:63)
at (:1259)
at (:117)
at (:111)
at (:62)
at (:375)
at (:333)
at (:1340)
at (:1329)
at (:12)
2021-04-19 12:45:43.716 [main] [] [ERROR] L871 - Application run failed
: : Logback configuration error detected:
ERROR in - Could not find Janino library on the class path. Skipping conditional processing.
ERROR in - See also /#ifJanino
ERROR in - Could not find Janino library on the class path. Skipping conditional processing.
ERROR in - See also /#ifJanino
ERROR in @121:18 - RuntimeException in Action for tag [springProfile] : logback stack error:
at (:327)
at (:281)
at (:239)
at (:216)
at (:176)
at (:169)
at (:143)
at (:131)
at (:82)
at $environmentPrepared$2(:63)
at (:1259)
at (:117)
at (:111)
at (:62)
at (:375)
at (:333)
at (:1340)
at (:1329)
at (:12)
Caused by: : Logback configuration error detected:
ERROR in - Could not find Janino library on the class path. Skipping conditional processing.
ERROR in - See also /#ifJanino
ERROR in - Could not find Janino library on the class path. Skipping conditional processing.
ERROR in - See also /#ifJanino
ERROR in @121:18 - RuntimeException in Action for tag [springProfile] : logback stack error:
at (:179)
at (:80)
at (:60)
at (:132)
at (:312)
... 18 common frames omitted
Exception in thread "main" : : Logback configuration error detected:
ERROR in - Could not find Janino library on the class path. Skipping conditional processing.
ERROR in - See also /#ifJanino
ERROR in - Could not find Janino library on the class path. Skipping conditional processing.
ERROR in - See also /#ifJanino
ERROR in @121:18 - RuntimeException in Action for tag [springProfile] : logback stack error:
at (:327)
at (:281)
at (:239)
at (:216)
at (:176)
at (:169)
at (:143)
at (:131)
at (:82)
at $environmentPrepared$2(:63)
at (:1259)
at (:117)
at (:111)
at (:62)
at (:375)
at (:333)
at (:1340)
at (:1329)
at (:12)
Caused by: : Logback configuration error detected:
ERROR in - Could not find Janino library on the class path. Skipping conditional processing.
ERROR in - See also /#ifJanino
ERROR in - Could not find Janino library on the class path. Skipping conditional processing.
ERROR in - See also /#ifJanino
ERROR in @121:18 - RuntimeException in Action for tag [springProfile] : logback stack error:
at (:179)
at (:80)
at (:60)
at (:132)
at (:312)
... 18 more
解决办法
引入mvn依赖即可
<dependency>
<groupId></groupId>
<artifactId>janino</artifactId>
<version>3.0.7</version>
</dependency>
原因
正如报错信息中所说，当我们在的日志配置文件中使用了<if> ...</if>条件判断标签，logback需要依赖janino库来解析这些判断语句，而logback本身并没有依赖这个库，所以需要我们手动引入一下依赖。