Complete error message:

java.lang.ClassCastException: [Ljava.lang.String; cannot be cast to java.lang.String

The reason for this error is:

Set [ljava. Lang. string; The array type represented by java.lang.string is cast to the string type represented by java.lang.string, and the type mismatch between the two causes an error

Note:[Ljava.lang.String@1b634e7  -- 
   "[" Indicates a one-dimensional array 
    "[[" means a two-dimensional array 
    "L" means an object 
    "String" indicates the type of the object 
    "@" followed by the HashCode of the object

Similar Posts:

• The solution to the java.lang.ClassCastException: [B cannot be cast to java.lang.String error in kettle
• Convert Object to List, avoiding Unchecked cast: ‘java.lang.Object’ to ‘java.util.List
• java.lang.NoSuchMethodError: org.slf4j.spi.LocationAwareLogger.log
• [Solved] Java Call Error: java.lang.IllegalArgumentException: wrong number of arguments
• [Solved] net.sf.json.JSONException: java.lang.ClassCastException: JSON keys must be strings.
• [Solved] Tensorflow Error: ValueError: Failed to convert a NumPy array to a Tensor (Unsupported object type numpy.ndarray)
• [Solved] java.lang.ClassCastException: Ljava.lang.Object; cannot be cast to com.entity.Advertisem
• How to Solve DeprecationWarning: Passing 1d arrays as data is deprecated in 0.17 and willraise ValueErr…
• Postman passing Josn field error: Cannot deserialize instance of `java.util.ArrayList` out of VALUE_STRING token
• [Solved] mapper.xml Error: java.lang.AbstractMethodError: Method oracle/jdbc/driver/OracleResultSetImpl.getNString(Ljava/lang/String;)Ljava/lang/String; is abstract,