Uses of Class
dev.langchain4j.exception.LangChain4jException

Packages that use LangChain4jException

Package	Description
dev.langchain4j.agentic.agent
dev.langchain4j.data.document
dev.langchain4j.exception
dev.langchain4j.guardrail
dev.langchain4j.mcp.client
dev.langchain4j.mcp.registryclient
dev.langchain4j.model
dev.langchain4j.service
dev.langchain4j.service.output
dev.langchain4j.store.embedding.azure.cosmos.nosql
dev.langchain4j.store.embedding.azure.search
dev.langchain4j.store.embedding.elasticsearch
dev.langchain4j.store.embedding.opensearch

Uses of LangChain4jException in dev.langchain4j.agentic.agent

Subclasses of LangChain4jException in dev.langchain4j.agentic.agent

Modifier and Type	Class	Description
class	AgentInvocationException
class	MissingArgumentException

Uses of LangChain4jException in dev.langchain4j.data.document

Subclasses of LangChain4jException in dev.langchain4j.data.document

Modifier and Type	Class	Description
class	BlankDocumentException

Uses of LangChain4jException in dev.langchain4j.exception

Subclasses of LangChain4jException in dev.langchain4j.exception

Modifier and Type	Class	Description
class	AuthenticationException
class	ContentFilteredException	Exception thrown when the LLM provider refuses to process a request due to content filtering or violation of usage policies.
class	HttpException
class	InternalServerException
class	InvalidRequestException
class	ModelNotFoundException
class	NonRetriableException
class	RateLimitException
class	RetriableException
class	TimeoutException
class	ToolArgumentsException	Indicates that something is wrong with the tool arguments.
class	ToolExecutionException	Indicates that something went wrong while executing the tool.
class	UnresolvedModelServerException
class	UnsupportedFeatureException

Uses of LangChain4jException in dev.langchain4j.guardrail

Subclasses of LangChain4jException in dev.langchain4j.guardrail

Modifier and Type	Class	Description
class	GuardrailException	Exception thrown when an input or output guardrail validation fails.
final class	InputGuardrailException	Exception thrown when an input guardrail validation fails.
final class	OutputGuardrailException	Exception thrown when an output guardrail validation fails.

Uses of LangChain4jException in dev.langchain4j.mcp.client

Subclasses of LangChain4jException in dev.langchain4j.mcp.client

Modifier and Type	Class	Description
class	IllegalResponseException
class	McpException	A business exception raised over the MCP protocol

Uses of LangChain4jException in dev.langchain4j.mcp.registryclient

Subclasses of LangChain4jException in dev.langchain4j.mcp.registryclient

Modifier and Type	Class	Description
class	McpRegistryClientException

Uses of LangChain4jException in dev.langchain4j.model

Subclasses of LangChain4jException in dev.langchain4j.model

Modifier and Type	Class	Description
class	ModelDisabledException	An exception thrown by a model that could be disabled by a user.

Uses of LangChain4jException in dev.langchain4j.service

Subclasses of LangChain4jException in dev.langchain4j.service

Modifier and Type	Class	Description
class	IllegalConfigurationException
class	ModerationException	Thrown when content moderation fails, i.e., when content is flagged by the moderation model.

Uses of LangChain4jException in dev.langchain4j.service.output

Subclasses of LangChain4jException in dev.langchain4j.service.output

Modifier and Type	Class	Description
class	OutputParsingException

Uses of LangChain4jException in dev.langchain4j.store.embedding.azure.cosmos.nosql

Subclasses of LangChain4jException in dev.langchain4j.store.embedding.azure.cosmos.nosql

Modifier and Type	Class	Description
class	AzureCosmosDBNoSqlRuntimeException

Uses of LangChain4jException in dev.langchain4j.store.embedding.azure.search

Subclasses of LangChain4jException in dev.langchain4j.store.embedding.azure.search

Modifier and Type	Class	Description
class	AzureAiSearchRuntimeException

Uses of LangChain4jException in dev.langchain4j.store.embedding.elasticsearch

Subclasses of LangChain4jException in dev.langchain4j.store.embedding.elasticsearch

Modifier and Type	Class	Description
class	ElasticsearchRequestFailedException

Uses of LangChain4jException in dev.langchain4j.store.embedding.opensearch

Subclasses of LangChain4jException in dev.langchain4j.store.embedding.opensearch

Modifier and Type	Class	Description
class	OpenSearchRequestFailedException