大家好，我是烤鴨：

? ? ? 場景是：

? ? ? ? ? 多個項目（配置文件相同）部署同一個服務器，部署的代碼大部分相同。（具體原因是同一個項目的不同分支部署了兩次）

啟動之后，一直在報這個錯誤：

[WARN] [2019-05-13 11:05:53,200] doSaveProperties(189) | [DUBBO] Failed to save registry store file, cause: Can not lock the registry cache file /root/.dubbo/dubbo-registry-etc_manage_web-172.17.33.68:2181.cache, ignore and retry later, maybe multi java process use the file, please config: dubbo.registry.file=xxx.properties, dubbo version: 2.6.2, current host: 172.17.33.68 java.io.IOException: Can not lock the registry cache file /root/.dubbo/dubbo-registry-etc_manage_web-172.17.33.68:2181.cache, ignore and retry later, maybe multi java process use the file, please config: dubbo.registry.file=xxx.propertiesat com.alibaba.dubbo.registry.support.AbstractRegistry.doSaveProperties(AbstractRegistry.java:161)at com.alibaba.dubbo.registry.support.AbstractRegistry$SaveProperties.run(AbstractRegistry.java:500)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)at java.lang.Thread.run(Thread.java:748) [WARN] [2019-05-13 11:05:53,200] doSaveProperties(189) | [DUBBO] Failed to save registry store file, cause: Can not lock the registry cache file /root/.dubbo/dubbo-registry-etc_manage_web-172.17.33.68:2181.cache, ignore and retry later, maybe multi java process use the file, please config: dubbo.registry.file=xxx.properties, dubbo version: 2.6.2, current host: 172.17.33.68 java.io.IOException: Can not lock the registry cache file /root/.dubbo/dubbo-registry-etc_manage_web-172.17.33.68:2181.cache, ignore and retry later, maybe multi java process use the file, please config: dubbo.registry.file=xxx.propertiesat com.alibaba.dubbo.registry.support.AbstractRegistry.doSaveProperties(AbstractRegistry.java:161)at com.alibaba.dubbo.registry.support.AbstractRegistry$SaveProperties.run(AbstractRegistry.java:500)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)at java.lang.Thread.run(Thread.java:748) [WARN] [2019-05-13 11:05:53,201] doSaveProperties(189) | [DUBBO] Failed to save registry store file, cause: Can not lock the registry cache file /root/.dubbo/dubbo-registry-etc_manage_web-172.17.33.68:2181.cache, ignore and retry later, maybe multi java process use the file, please config: dubbo.registry.file=xxx.properties, dubbo version: 2.6.2, current host: 172.17.33.68 java.io.IOException: Can not lock the registry cache file /root/.dubbo/dubbo-registry-etc_manage_web-172.17.33.68:2181.cache, ignore and retry later, maybe multi java process use the file, please config: dubbo.registry.file=xxx.propertiesat com.alibaba.dubbo.registry.support.AbstractRegistry.doSaveProperties(AbstractRegistry.java:161)at com.alibaba.dubbo.registry.support.AbstractRegistry$SaveProperties.run(AbstractRegistry.java:500)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)at java.lang.Thread.run(Thread.java:748)

解決辦法：

改其中一個項目的 registry 的 file 屬性

dubbo:application:id: xxx_testname: xxx_testregistry:address: zookeeper://localhost:2181file: ${catalina:home}/dubbo-registry/dubbo-registry:propertiesscan:base-packages: com.test

?

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