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我试图在重新启动机器后启动 cloudera 集群，但它没有启动服务器：

在 cloudera-scm-server 日志中出现以下错误：

2014-12-23 21:29:26,870  WARN [Task-Thread-for-com.mchange.v2.async.ThreadPerTaskAsynchronousRunner@2e39060b:resourcepool.BasicResourcePool@1841] com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@6ec135d6 -- Acquisition Attempt Failed!!! Clearing pending acquires. While trying to acquire a needed new resource, we failed to succeed more than the maximum number of allowed acquisition attempts (30). Last acquisition attempt exception:
org.postgresql.util.PSQLException: FATAL: no pg_hba.conf entry for host "192.168.6.109", user "scm", database "scm", SSL off
        at org.postgresql.core.v3.ConnectionFactoryImpl.doAuthentication(ConnectionFactoryImpl.java:291)
        at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:108)
        at org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactory.java:66)
        at org.postgresql.jdbc2.AbstractJdbc2Connection.<init>(AbstractJdbc2Connection.java:125)
        at org.postgresql.jdbc3.AbstractJdbc3Connection.<init>(AbstractJdbc3Connection.java:30)
        at org.postgresql.jdbc3g.AbstractJdbc3gConnection.<init>(AbstractJdbc3gConnection.java:22)
        at org.postgresql.jdbc4.AbstractJdbc4Connection.<init>(AbstractJdbc4Connection.java:30)
        at org.postgresql.jdbc4.Jdbc4Connection.<init>(Jdbc4Connection.java:24)
        at org.postgresql.Driver.makeConnection(Driver.java:393)
        at org.postgresql.Driver.connect(Driver.java:267)
        at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:135)
        at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:182)
        at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:171)
        at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:137)
        at com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1014)
        at com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:32)
        at com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1810)
        at com.mchange.v2.async.ThreadPerTaskAsynchronousRunner$TaskThread.run(ThreadPerTaskAsynchronousRunner.java:255)

我尝试将 db-data 文件夹的权限更改为 700 并且还按照此链接删除了 SCHEMA_VERSION 表， 但没有运气

编辑

在来自 /var/log/cloudera-scm-server/db.log 的数据库日志中，我收到以下致命错误：

FATAL:  no pg_hba.conf entry for host "192.168.6.109", user "scm", database "scm", SSL off
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1 回答 1

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我得到了这个问题的解决方案

我正在运行的另一个应用程序之一更新了主机文件。所以它有两个本地主机条目（损坏的主机文件）。修复后问题就解决了。

于 2014-12-31T10:17:54.583 回答