Class DiscoveryException

java.lang.Object

java.lang.Throwable

java.lang.Exception

java.lang.RuntimeException

org.neo4j.driver.exceptions.Neo4jException

org.neo4j.driver.exceptions.DiscoveryException

All Implemented Interfaces:

Serializable

public class DiscoveryException
extends Neo4jException

An error has happened while getting routing table with a remote server. While this error is not fatal and we might be able to recover if we continue trying on another server. If we fail to get a valid routing table from all routing servers known to this driver, then we will end up with a fatal error ServiceUnavailableException.

If you see this error in your logs, it is safe to ignore if your cluster is temporarily changing structure during that time.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
DiscoveryException(String message, Throwable cause)	Creates a new instance.

Method Summary

Methods inherited from class Neo4jException

classification, code, containsGqlStatus, diagnosticRecord, findByGqlStatus, gqlCause, gqlStatus, rawClassification, statusDescription

Modifier and Type	Method	Description
Optional<GqlStatusErrorClassification>	classification()	Returns the error classification as a GqlStatusErrorClassification enum value.
String	code()	Access the status code for this exception.
boolean	containsGqlStatus(String gqlStatus)	Returns whether there is an error with the given GQLSTATUS in this GQL error chain, beginning the search from this exception.
Map<String,Value>	diagnosticRecord()	Returns the GQL diagnostic record.
Optional<Neo4jException>	findByGqlStatus(String gqlStatus)	Finds the first Neo4jException that has the given GQLSTATUS in this GQL error chain, beginning the search from this exception.
Optional<Neo4jException>	gqlCause()	Returns the GQL error cause.
String	gqlStatus()	Returns the GQLSTATUS as defined by the GQL standard.
Optional<String>	rawClassification()	Returns the error classification as a String value.
String	statusDescription()	Returns the GQLSTATUS description.

Methods inherited from class Throwable

addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

DiscoveryException

public DiscoveryException(String message,
 Throwable cause)

Creates a new instance.

Parameters:

message - the message

cause - the cause