我正在使用Logstash解析和过滤数据。输入数据如下所示：
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Environment File - 12/07/2018 09:31:19
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-- File Name: org/apache/catalina/core/ContainerBase/jboss/web/default-host/........... Path
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Reading Environment Error File - 12/07/2018 09:31:19
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-- File Name: org/apache/catalina/core/ContainerBase/jboss/web/default-host/.....
org/apache/catalina/core/ContainerBase/jboss/web/default-host........
.....Path. Fri Dec 7 09:31:18 2018
Lock failed on recovery file org/apache/catalina/core/ContainerBase/jboss/web/default-host/
because the .......
....... text.
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Reading Error Files - 12/07/2018 09:31:19
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错误消息包含多行并且没有通用模式。如何仅从日志中过滤错误？