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Apache Log4j2 远程代码执行漏洞（CVE-2021-44228）公告
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Apache Log4j2 远程代码执行漏洞（CVE-2021-44228）公告 漏洞描述 近日，华为云关注到Apache Log4j2存在一处远程代码执行漏洞（CVE-2021-44228），在引入Apache Log4j2处理日志时，会对用户输入的内容进行一些特殊的处理，攻击
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Apache Log4j2 远程代码执行漏洞（CVE-2021-44228）修复指导
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在集群内节点使用LoadIncrementalHFiles批量导入数据，报错权限不足
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'/var/run/ FusionInsight -HDFS/dn_socket' at org.apache.hadoop.net.unix.DomainSocket.connect0(Native Method) at org.apache.hadoop.net.unix.DomainSocket.connect(DomainSocket
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网络连接超时导致FetchFailedException
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org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:301) at org.apache.spark.rdd.RDD.iterator(RDD.scala:265) at org.apache.spark
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HBase启动失败，RegionServer日志中提示“FileNotFoundException”
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java:1391) at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:340) at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:292) at org.apache.hadoop.fs
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云解析服务（Domain Name Service）_DNS_企业应用-华为云
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在集群内节点使用LoadIncrementalHFiles批量导入数据，报错权限不足
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'/var/run/FusionInsight-HDFS/dn_socket' at org.apache.hadoop.net.unix.DomainSocket.connect0(Native Method) at org.apache.hadoop.net.unix.DomainSocket.connect(DomainSocket
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网络连接超时导致FetchFailedException
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org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:301) at org.apache.spark.rdd.RDD.iterator(RDD.scala:265) at org.apache.spark
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SparkSQL建表时的目录权限
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string); Error: org.apache.spark.sql.execution.QueryExecutionException: FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec
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SparkSQL建表时的目录权限
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string); Error: org.apache.spark.sql.execution.QueryExecutionException: FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec
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CTBase对接Ranger权限插件，提示权限不足
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(action=create) at org.apache.ranger.authorization.hbase.AuthorizationSession.publishResults(AuthorizationSession.java:278) at org.apache.ranger.authorization
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beeline客户端报错“Failed to execute session hooks: over max connections”
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opening session: | org.apache.hive.service.cli.thrift.ThriftCLIService.OpenSession(ThriftCLIService.java:542) org.apache.hive.service.cli.HiveSQLException:
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Consumer消费数据失败，提示“SchemaException: Error reading field”
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only 593 bytes available at org.apache.kafka.common.protocol.types.Schema.read(Schema.java:73) at org.apache.kafka.clients.NetworkClient.par
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ImportTsv工具执行失败报“Permission denied”异常
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at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:342) at org.apache.hadoop.hdfs.server
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HMaster日志中频繁打印出FileNotFoundException信息
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pendingcreates: 1936] ?at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkLease(FSNamesystem.java:3432) ?at org.apache.hadoop.hdfs.server.namenode
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创建大量ZNode后ZooKeeper Server启动失败
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readInt(DataInputStream.java:387) at org.apache.jute.BinaryInputArchive.readInt(BinaryInputArchive.java:63) at org.apache.zookeeper.server.quorum.QuorumPacket
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为什么Spark Streaming应用创建输入流，但该输入流无输出逻辑时，应用从checkpoint恢复启动失败
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java:498) at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:772) at org.apache.spark.deploy
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客户端提示访问ZooKeeper失败
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at org.apache.hive.jdbc.Utils.configureConnParams(Utils.java:509) at org.apache.hive.jdbc.Utils.parseURL(Utils.java:429) at org.apache.hive.jdbc
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Flink开启Checkpoint样例程序（Scala）
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import org.apache.flink.api.java.tuple.Tuple import org.apache.flink.streaming.api.checkpoint.ListCheckpointed import org.apache.flink.streaming
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Flink开启Checkpoint样例程序（Scala）
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import org.apache.flink.api.java.tuple.Tuple import org.apache.flink.streaming.api.checkpoint.ListCheckpointed import org.apache.flink.streaming
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创建大量znode后ZooKeeper Server启动失败
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readInt(DataInputStream.java:387) at org.apache.jute.BinaryInputArchive.readInt(BinaryInputArchive.java:63) at org.apache.zookeeper.server.quorum.QuorumPacket
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