java.sql.SQLNonTransientConnectionException: Keyspace names must be composed of alphanumerics and underscores (parsed: 'test@localhost:7199/tutorialspoint')

Stack Overflow | S. Dragomir | 6 months ago
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    Java connect to Cassandra using JDBC [SQLNonTransientConnectionException: Keyspace names must be composed of alphanumerics and underscores]

    Stack Overflow | 6 months ago | S. Dragomir
    java.sql.SQLNonTransientConnectionException: Keyspace names must be composed of alphanumerics and underscores (parsed: 'test@localhost:7199/tutorialspoint')
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    java.sql.SQLNonTransientConnectionException: org.apache.thrift.transport.TTransportException: Read a negative frame size (-2097152000)!
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    Unable to connect Cassandra using jdbc driver

    Stack Overflow | 3 weeks ago | Subhankar Mukherjee
    java.sql.SQLNonTransientConnectionException: Connection url must specify a host, e.g., jdbc:cassandra://localhost:9170/Keyspace1

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    Root Cause Analysis

    1. java.sql.SQLNonTransientConnectionException

      Keyspace names must be composed of alphanumerics and underscores (parsed: 'test@localhost:7199/tutorialspoint')

      at org.apache.cassandra.cql.jdbc.Utils.parseURL()
    2. org.apache.cassandra
      CassandraDriver.connect
      1. org.apache.cassandra.cql.jdbc.Utils.parseURL(Utils.java:183)
      2. org.apache.cassandra.cql.jdbc.CassandraDriver.connect(CassandraDriver.java:85)
      2 frames
    3. Java RT
      DriverManager.getConnection
      1. java.sql.DriverManager.getConnection(DriverManager.java:664)
      2. java.sql.DriverManager.getConnection(DriverManager.java:270)
      2 frames