The console will not function at the moment

[majidbijani]

I had trouble setting up the druid cluster. The cluster setup was done step by step according to the druid website(Clustered deployment). deep storage set is local. And for Metadata, the default derby is used. Most settings are default. common.runtime.properties for Master Server and Query Server and Data Server are similar. common.runtime.properties:

#
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# to you under the Apache License, Version 2.0 (the
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#
#   http://www.apache.org/licenses/LICENSE-2.0
#
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# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
#

# Extensions specified in the load list will be loaded by Druid
# We are using local fs for deep storage - not recommended for production - use S3, HDFS, or NFS instead
# We are using local derby for the metadata store - not recommended for production - use MySQL or Postgres instead

# If you specify `druid.extensions.loadList=[]`, Druid won't load any extension from file system.
# If you don't specify `druid.extensions.loadList`, Druid will load all the extensions under root extension directory.
# More info: https://druid.apache.org/docs/latest/operations/including-extensions.html
druid.extensions.loadList=["druid-hdfs-storage", "druid-kafka-indexing-service", "druid-datasketches"]

# If you have a different version of Hadoop, place your Hadoop client jar files in your hadoop-dependencies directory
# and uncomment the line below to point to your directory.
#druid.extensions.hadoopDependenciesDir=/my/dir/hadoop-dependencies

#
# Hostname
#
druid.host=master

#
# Logging
#

# Log all runtime properties on startup. Disable to avoid logging properties on startup:
druid.startup.logging.logProperties=true

#
# Zookeeper
#

druid.zk.service.host=master
druid.zk.paths.base=/druid

#
# Metadata storage
#

# For Derby server on your Druid Coordinator (only viable in a cluster with a single Coordinator, no fail-over):
druid.metadata.storage.type=derby
druid.metadata.storage.connector.connectURI=jdbc:derby://master:1527/var/druid/metadata.db;create=true
druid.metadata.storage.connector.host=master
druid.metadata.storage.connector.port=1527

# For MySQL (make sure to include the MySQL JDBC driver on the classpath):
#druid.metadata.storage.type=mysql
#druid.metadata.storage.connector.connectURI=jdbc:mysql://db.example.com:3306/druid
#druid.metadata.storage.connector.user=...
#druid.metadata.storage.connector.password=...

# For PostgreSQL:
#druid.metadata.storage.type=postgresql
#druid.metadata.storage.connector.connectURI=jdbc:postgresql://db.example.com:5432/druid
#druid.metadata.storage.connector.user=...
#druid.metadata.storage.connector.password=...

#
# Deep storage
#

# For local disk (only viable in a cluster if this is a network mount):
druid.storage.type=local
druid.storage.storageDirectory=var/druid/segments

# For HDFS:
#druid.storage.type=hdfs
#druid.storage.storageDirectory=/druid/segments

# For S3:
#druid.storage.type=s3
#druid.storage.bucket=your-bucket
#druid.storage.baseKey=druid/segments
#druid.s3.accessKey=...
#druid.s3.secretKey=...

#
# Indexing service logs
#

# For local disk (only viable in a cluster if this is a network mount):
druid.indexer.logs.type=file
druid.indexer.logs.directory=var/druid/indexing-logs

# For HDFS:
#druid.indexer.logs.type=hdfs
#druid.indexer.logs.directory=/druid/indexing-logs

# For S3:
#druid.indexer.logs.type=s3
#druid.indexer.logs.s3Bucket=your-bucket
#druid.indexer.logs.s3Prefix=druid/indexing-logs

#
# Service discovery
#

druid.selectors.indexing.serviceName=druid/overlord
druid.selectors.coordinator.serviceName=druid/coordinator

#
# Monitoring
#

druid.monitoring.monitors=["org.apache.druid.java.util.metrics.JvmMonitor"]
druid.emitter=noop
druid.emitter.logging.logLevel=info

# Storage type of double columns
# ommiting this will lead to index double as float at the storage layer

druid.indexing.doubleStorage=double

#
# Security
#
druid.server.hiddenProperties=["druid.s3.accessKey","druid.s3.secretKey","druid.metadata.storage.connector.password"]

#
# SQL
#
druid.sql.enable=true

#
# Lookups
#
druid.lookup.enableLookupSyncOnStartup=false

After starting the master services with Zookeeper and Query Server and Data Server, the following error is displayed.

Druid versions: druid-0.18.0 , 0.17.0 Can anyone help me?

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