Redis 中spark參數(shù)executor-cores引起的異常解決辦法
報(bào)錯(cuò)信息
Unexpected end of stream
16/10/11 16:35:50 WARN TaskSetManager: Lost task 63.0 in stage 3.0 (TID 212, gzns-arch-spark04.gzns.iwm.name): redis.clients.jedis.exceptions.JedisConnectionException: Unexpected end of stream. at redis.clients.util.RedisInputStream.ensureFill(RedisInputStream.java:199) at redis.clients.util.RedisInputStream.readByte(RedisInputStream.java:40) at redis.clients.jedis.Protocol.process(Protocol.java:151) at redis.clients.jedis.Protocol.read(Protocol.java:215) at redis.clients.jedis.Connection.readProtocolWithCheckingBroken(Connection.java:340) at redis.clients.jedis.Connection.getBinaryMultiBulkReply(Connection.java:276) at redis.clients.jedis.Connection.getMultiBulkReply(Connection.java:269) at redis.clients.jedis.Jedis.hmget(Jedis.java:723)
DENIED Redis is running in protected mode because protected mode is enabled
DENIED Redis is running in protected mode because protected mode is enabled, no bind address was specified, no authentication password is requested to clients. In this mode connections are only accepted from the loopback interface. If you want to connect from external computers to Redis you may adopt one of the following solutions: 1) Just disable protected mode sending the command 'CONFIG SET protected-mode no' from the loopback interface by connecting to Redis from the same host the server is running, however MAKE SURE Redis is not publicly accessible from internet if you do so. Use CONFIG REWRITE to make this change permanent. 2) Alternatively you can just disable the protected mode by editing the Redis configuration file, and setting the protected mode option to 'no', and then restarting the server. 3) If you started the server manually just for testing, restart it with the '--protected-mode no' option. 4) Setup a bind address or an authentication password. NOTE: You only need to do one of the above things in order for the server to start accepting connections from the outside. at redis.clients.jedis.Protocol.processError(Protocol.java:127) at redis.clients.jedis.Protocol.process(Protocol.java:161) at redis.clients.jedis.Protocol.read(Protocol.java:215)
解決過程
我嘗試重啟redis,更換redis新jar包，關(guān)閉redis保護(hù)模式都于事無(wú)補(bǔ),后來(lái)找了下錯(cuò)誤的原因,無(wú)意中看到了Unexpected end of stream是說(shuō)有一個(gè)進(jìn)程占用了redis的鏈接，頭腦一炸，才發(fā)現(xiàn)自己把executor-cores設(shè)置為了2，然后把該值設(shè)置為1后，正常了。
看來(lái)只有等接入redis集群后，我才能修改該值了。
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標(biāo)簽：香港 贛州 景德鎮(zhèn) 澳門 廣東 唐山 揚(yáng)州 林芝
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