wso2 - 将文本消息转换为 o Siddhi 事件时出现 WSO2 错误
问题描述
我正在使用带有正则表达式扩展的WSO2SP 4.3.0 版: siddhi-execution-regex-4.1.2.jar。我的代码工作正常,但每当我重新启动我的 wso2sp 实例时,我开始收到错误“在 siddhi 文本输入映射器的流 transactionstream1 中将文本消息转换为 Siddhi 事件时发生异常。java.lang.StackOverflowError ”我必须多次重新启动 wso2sp 才能让这个工作,这不是一个可行的解决方案。我还使用扩展名siddhi-io-http-1.0.40.jar通过 http 发送短信。文本地图扩展:siddhi-map-text-1.1.2.jar和siddhi-map-text-1.0.22.jar
测试来源:
@source(type = 'http', receiver.url = 'http://localhost:5005/text',
@map(type='text',fail.on.missing.attribute='false', regex.A=""""(after)":("(\\"|[^"])*"|\[("(\\"|[^"])*"(,"(\\"|[^"])*")*)?\])""",
@attributes(payload = 'A[2]')))
define stream transactionstream1(payload string);
测试文本:
curl -X POST \
http://localhost:5005/text \
-H 'content-type: application/json' \
-d '{"schema":{"type":"struct","fields":[{"type":"string","optional":false,"field":"id"}],"optional":false,"name":"db.db.Key"},"payload":{"id":"{ \"$oid\" : \"dafeafwe3\"}"}} {"schema":{"type":"struct","fields":[{"type":"string","optional":true,"name":"io.debezium.data.Json","version":1,"field":"after"},{"type":"string","optional":true,"name":"io.debezium.data.Json","version":1,"field":"patch"},{"type":"struct","fields":[{"type":"string","optional":false,"field":"version"},{"type":"string","optional":false,"field":"connector"},{"type":"string","optional":false,"field":"name"},{"type":"int64","optional":false,"field":"ts_ms"},{"type":"string","optional":true,"name":"io.debezium.data.Enum","version":1,"parameters":{"allowed":"true,last,false"},"default":"false","field":"snapshot"},{"type":"string","optional":false,"field":"db"},{"type":"string","optional":false,"field":"rs"},{"type":"string","optional":false,"field":"collection"},{"type":"int32","optional":false,"field":"ord"},{"type":"int64","optional":true,"field":"h"}],"optional":false,"name":"io.debezium.connector.mongo.Source","field":"source"},{"type":"string","optional":true,"field":"op"},{"type":"int64","optional":true,"field":"ts_ms"}],"optional":false,"name":"db.db.collection.Envelope"},"payload":{"after":"{\"_id\": {\"$oid\": \"54444342fdsfsdfs\"},\"code\": \"42432432423\",\"name\": \"name1\",\"desc\": \"description\",\"transRefId\": \"cgvvjbjhvjy6979yjbv\",\"origAmount\": 1000,\"amount\": 1000,\"currency\": \"USD\",\"redeemedCashcode\": \"\",\"sender\": {\"id\": \"342edesfsfes\",\"name\": \"rose\",\"phone\": \"123456789\"},\"receiver\": {\"id\": \"fr3wfwrw342\",\"name\": \"daass\",\"phone\": \"453452423\",\"client\": \"CLIENT2\"}}}'
堆栈跟踪的一部分:
ERROR {org.wso2.extension.siddhi.map.text.sourcemapper.TextSourceMapper}Exception occurred when converting Text message {"type":"string","optional":false,"field":"id"}],"optional":false,"name":"db.db.Key"},"payload":{"id":"{ \"$oid\" : \"dafeafwe3\"}"}} {"schema":{"type":"struct","fields":[{"type":"string","optional":true,"name":"io.debezium.data.Json","version":1,"field":"after"},{"type":"string","optional":true,"name":"io.debezium.data.Json","version":1,"field":"patch"},{"type":"struct","fields":[{"type":"string","optional":false,"field":"version"},{"type":"string","optional":false,"field":"connector"},{"type":"string","optional":false,"field":"name"},{"type":"int64","optional":false,"field":"ts_ms"},{"type":"string","optional":true,"name":"io.debezium.data.Enum","version":1,"parameters":{"allowed":"true,last,false"},"default":"false","field":"snapshot"},{"type":"string","optional":false,"field":"db"},{"type":"string","optional":false,"field":"rs"},{"type":"string","optional":false,"field":"collection"},{"type":"int32","optional":false,"field":"ord"},{"type":"int64","optional":true,"field":"h"}],"optional":false,"name":"io.debezium.connector.mongo.Source","field":"source"},{"type":"string","optional":true,"field":"op"},{"type":"int64","optional":true,"field":"ts_ms"}],"optional":false,"name":"db.db.collection.Envelope"},"payload":{"after":"{\"_id\": {\"$oid\": \"54444342fdsfsdfs\"},\"code\": \"42432432423\",\"name\": \"name1\",\"desc\": \"description\",\"transRefId\": \"cgvvjbjhvjy6979yjbv\",\"origAmount\": 1000,\"amount\": 1000,\"currency\": \"USD\",\"redeemedCashcode\": \"\",\"sender\": {\"id\": \"342edesfsfes\",\"name\": \"rose\",\"phone\": \"123456789\"},\"receiver\": {\"id\": \"fr3wfwrw342\",\"name\": \"daass\",\"phone\": \"453452423\",\"client\": \"CLIENT2\"}}},"op":"r","ts_ms":1575862492251}} to Siddhi Event in the stream transactionstream1 of siddhi text input mapper. java.lang.StackOverflowError
at java.util.regex.Pattern$Branch.match(Pattern.java:4606)
at java.util.regex.Pattern$GroupHead.match(Pattern.java:4660)
at java.util.regex.Pattern$Loop.match(Pattern.java:4787)
at java.util.regex.Pattern$GroupTail.match(Pattern.java:4719)
at java.util.regex.Pattern$BranchConn.match(Pattern.java:4570)
at java.util.regex.Pattern$CharProperty.match(Pattern.java:3779)
at java.util.regex.Pattern$Branch.match(Pattern.java:4606)
at java.util.regex.Pattern$GroupHead.match(Pattern.java:4660)
at java.util.regex.Pattern$Loop.match(Pattern.java:4787)
at java.util.regex.Pattern$GroupTail.match(Pattern.java:4719)
at java.util.regex.Pattern$BranchConn.match(Pattern.java:4570)
at java.util.regex.Pattern$CharProperty.match(Pattern.java:3779)
at java.util.regex.Pattern$Branch.match(Pattern.java:4606)
at java.util.regex.Pattern$GroupHead.match(Pattern.java:4660)
at java.util.regex.Pattern$Loop.match(Pattern.java:4787)
at java.util.regex.Pattern$GroupTail.match(Pattern.java:4719)
at java.util.regex.Pattern$BranchConn.match(Pattern.java:4570)
at java.util.regex.Pattern$CharProperty.match(Pattern.java:3779)
at java.util.regex.Pattern$Branch.match(Pattern.java:4606)
at java.util.regex.Pattern$GroupHead.match(Pattern.java:4660)
at java.util.regex.Pattern$Loop.match(Pattern.java:4787)
at java.util.regex.Pattern$GroupTail.match(Pattern.java:4719)
at java.util.regex.Pattern$BranchConn.match(Pattern.java:4570)
at java.util.regex.Pattern$CharProperty.match(Pattern.java:3779)
at java.util.regex.Pattern$Branch.match(Pattern.java:4606)
at java.util.regex.Pattern$GroupHead.match(Pattern.java:4660)
at java.util.regex.Pattern$Loop.match(Pattern.java:4787)
at java.util.regex.Pattern$GroupTail.match(Pattern.java:4719)
at java.util.regex.Pattern$BranchConn.match(Pattern.java:4570)
at java.util.regex.Pattern$CharProperty.match(Pattern.java:3779)
at java.util.regex.Pattern$Branch.match(Pattern.java:4606)
at java.util.regex.Pattern$GroupHead.match(Pattern.java:4660)
at java.util.regex.Pattern$Loop.match(Pattern.java:4787)
at java.util.regex.Pattern$GroupTail.match(Pattern.java:4719)
at java.util.regex.Pattern$BranchConn.match(Pattern.java:4570)
at java.util.regex.Pattern$Slice.match(Pattern.java:3974)
at java.util.regex.Pattern$Branch.match(Pattern.java:4606)
at java.util.regex.Pattern$GroupHead.match(Pattern.java:4660)
at java.util.regex.Pattern$Loop.match(Pattern.java:4787)
at java.util.regex.Pattern$GroupTail.match(Pattern.java:4719)
at java.util.regex.Pattern$BranchConn.match(Pattern.java:4570)
at java.util.regex.Pattern$CharProperty.match(Pattern.java:3779)
at java.util.regex.Pattern$Branch.match(Pattern.java:4606)
at java.util.regex.Pattern$GroupHead.match(Pattern.java:4660)
at java.util.regex.Pattern$Loop.match(Pattern.java:4787)
at java.util.regex.Pattern$GroupTail.match(Pattern.java:4719)
是否存在版本兼容问题?我如何永久解决这个问题?
解决方案
似乎这种行为与 Java 有关,众所周知,在存在潜在回溯问题的某些情况下不喜欢交替。
所以,这部分 ("(\"|[^"]) "|[("(\"|[^"]) "(,"(\"|[^"]) ") )?])" 创建回溯机制的撤消负担。
请尝试如下更新正则表达式,以减少导致StackOverflowError的实现缺陷的影响。
(after)":("(\\"|[|]|[^"])*+")
有关详细信息,请参阅java Matcher 中的零星堆栈溢出错误。
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