hi, @mszurap, in the file "/run/cloudera-scm-agent/process/24750-nifi-NIFI_NODE/supervisor.conf" has the following parameter "KRB5CCNAME=krb5cc_cldr" the "KRB5CCNAME" parameter is in the "environment" line of the "/run/cloudera-scm-agent/process/24750-nifi-NIFI_NODE/supervisor.conf" file as shown below: environment=CDH_PARQUET_HOME='/usr/lib/parquet',CDH_MR2_HOME='/usr/lib/hadoop-mapreduce',CMF_PACKAGE_DIR='/opt/cloudera/cm-agent/service',CM_STATUS_CODES='STATUS_NONE HDFS_DFS_DIR_NOT_EMPTY HBASE_TABLE_DISABLED HBASE_TABLE_ENABLED JOBTRACKER_IN_STANDBY_MODE YARN_RM_IN_STANDBY_MODE',MGMT_HOME='/opt/cloudera/cm',CGROUP_ROOT_CPU='/sys/fs/cgroup/cpu,cpuacct',CDH_IMPALA_HOME='/usr/lib/impala',CDH_YARN_HOME='/usr/lib/hadoop-yarn',nifi_service_principal='nifi/host-nifi-16.domain.local@TESTE.INT.BR',CGROUP_GROUP_CPU='system.slice/cloudera-scm-agent.service',CSD_JAVA_OPTS='-XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/tmp/nifi_nifi-NIFI_NODE-ae57679df54eef6fea3afc54d3cb40ad_pid{{PID}}.hprof -XX:OnOutOfMemoryError=/opt/cloudera/cm-agent/service/common/killparent.sh',CDH_HDFS_HOME='/usr/lib/hadoop-hdfs',CSD_HOST='host-nifi-16.domain.local',HADOOP_CREDSTORE_PASSWORD='6d1ddiyksatrp1nwubz27h5jp',PATH='/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin',CDH_HUE_PLUGINS_HOME='/usr/lib/hadoop',PARCEL_DIRNAMES='CDH-6.3.4-1.cdh6.3.4.p0.6751098:CFM-1.0.1.0',CDH_HADOOP_BIN='/usr/bin/hadoop',KEYTRUSTEE_KP_HOME='/usr/share/keytrustee-keyprovider',CDH_KUDU_HOME='/usr/lib/kudu',CLOUDERA_ORACLE_CONNECTOR_JAR='/usr/share/java/oracle-connector-java.jar',CONF_DIR='/var/run/cloudera-scm-agent/process/24750-nifi-NIFI_NODE',CDH_SQOOP2_HOME='/usr/lib/sqoop2',KEYTRUSTEE_SERVER_HOME='/usr/lib/keytrustee-server',JSVC_HOME='/usr/libexec/bigtop-utils',HOME='/var/lib/nifi',HIVE_DEFAULT_XML='/etc/hive/conf.dist/hive-default.xml',CUSTOM_JAVA_HOME='/usr/java/default',JAVA_HOME='/usr/java/jdk1.8.0_162',CLOUDERA_POSTGRESQL_JDBC_JAR='/opt/cloudera/cm/lib/postgresql-42.2.14.jre7.jar',CGROUP_GROUP_CPUACCT='system.slice/cloudera-scm-agent.service',CM_CSD_SCRIPT='scripts/control.sh',PARCELS_ROOT='/opt/cloudera/parcels',CDH_KMS_HOME='/usr/lib/hadoop-kms',ZK_QUORUM='host-nifi-14.domain.local:2183,host-nifi-15.domain.local:2183,host-nifi-16.domain.local:2183',CDH_HBASE_HOME='/usr/lib/hbase',CDH_SQOOP_HOME='/usr/lib/sqoop',CDH_HCAT_HOME='/usr/lib/hcatalog',CDH_OOZIE_HOME='/usr/lib/oozie',CDH_HIVE_HOME='/usr/lib/hive',CDH_ZOOKEEPER_HOME='/usr/lib/zookeeper',CDH_HUE_HOME='/usr/lib/hue',nifi_spnego_principal='HTTP/host-nifi-16.domain.local@TESTE.INT.BR',CGROUP_GROUP_DEVICES='system.slice',CGROUP_ROOT_MEMORY='/sys/fs/cgroup/memory',CLOUDERA_MYSQL_CONNECTOR_JAR='/usr/share/java/mysql-connector-java.jar',CDH_SPARK_HOME='/usr/lib/spark',CGROUP_GROUP_MEMORY='system.slice/cloudera-scm-agent.service',KRB5CCNAME='krb5cc_cldr',CDH_MR1_HOME='/usr/lib/hadoop-0.20-mapreduce',TOMCAT_HOME='/usr/lib/bigtop-tomcat',CDH_PIG_HOME='/usr/lib/pig',CDH_SENTRY_HOME='/usr/lib/sentry',CDH_VERSION='6',CGROUP_GROUP_BLKIO='system.slice/cloudera-scm-agent.service',NIFI_LOG_DIR='/var/log/nifi',CGROUP_ROOT_BLKIO='/sys/fs/cgroup/blkio',CDH_CRUNCH_HOME='/usr/lib/crunch',CDH_LLAMA_HOME='/usr/lib/llama/',CDH_HTTPFS_HOME='/usr/lib/hadoop-httpfs',CDH_HADOOP_HOME='/usr/lib/hadoop',ORACLE_HOME='/usr/share/oracle/instantclient',CMF_SERVER_ROOT='/opt/cloudera/cm',WEBHCAT_DEFAULT_XML='/etc/hive-webhcat/conf.dist/webhcat-default.xml',CDH_KAFKA_HOME='/usr/lib/kafka',CGROUP_ROOT_DEVICES='/sys/fs/cgroup/devices',CDH_HBASE_INDEXER_HOME='/usr/lib/hbase-solr',SCM_DEFINES_SCRIPTS='/opt/cloudera/parcels/CDH-6.3.4-1.cdh6.3.4.p0.6751098/meta/cdh_env.sh:/opt/cloudera/parcels/CFM-1.0.1.0/meta/nifi_bundle_env.sh',CDH_SOLR_HOME='/usr/lib/solr',CGROUP_ROOT_CPUACCT='/sys/fs/cgroup/cpu,cpuacct',CDH_FLUME_HOME='/usr/lib/flume-ng' so the cloudera manager itself is distributing this file "krb5cc_cldr"? PS: this file is in /tmp/krb5cc_cldr
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