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Title: The method ```io.modelcontextprotocol.client.McpAsyncClient#listTools()``` never returns if the ```result.nextCursor()``` is an empty string instead of a null · Issue #575 · modelcontextprotocol/java-sdk · GitHub

Open Graph Title: The method ```io.modelcontextprotocol.client.McpAsyncClient#listTools()``` never returns if the ```result.nextCursor()``` is an empty string instead of a null · Issue #575 · modelcontextprotocol/java-sdk

X Title: The method ```io.modelcontextprotocol.client.McpAsyncClient#listTools()``` never returns if the ```result.nextCursor()``` is an empty string instead of a null · Issue #575 · modelcontextprotocol/java-sdk

Description: I've found in some MCP server implementations the nextCursor in response is empty string instead of null, leading to dead loop in the method of following reference. java-sdk/mcp-core/src/main/java/io/modelcontextprotocol/client/McpAsyncC...

Open Graph Description: I've found in some MCP server implementations the nextCursor in response is empty string instead of null, leading to dead loop in the method of following reference. java-sdk/mcp-core/src/main/java/...

X Description: I've found in some MCP server implementations the nextCursor in response is empty string instead of null, leading to dead loop in the method of following reference. java-sdk/mcp-core/src/main/j...

Opengraph URL: https://github.com/modelcontextprotocol/java-sdk/issues/575

X: @github

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Domain: github.com


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The method io.modelcontextprotocol.client.McpAsyncClient#listTools() never returns if the result.nextCursor() is an empty string instead of a nullhttps://github.com/modelcontextprotocol/java-sdk/issues/575#top
#954https://github.com/modelcontextprotocol/java-sdk/pull/954
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on Sep 25, 2025https://github.com/modelcontextprotocol/java-sdk/issues/575#issue-3453173099
java-sdk/mcp-core/src/main/java/io/modelcontextprotocol/client/McpAsyncClient.javahttps://github.com/modelcontextprotocol/java-sdk/blob/7f16cd0b9dc72f5adc3358a903bebb0f909dda3e/mcp-core/src/main/java/io/modelcontextprotocol/client/McpAsyncClient.java#L557
7f16cd0https://github.com/modelcontextprotocol/java-sdk/commit/7f16cd0b9dc72f5adc3358a903bebb0f909dda3e
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