Incorrect Channel Configuration

Oct 13, 2025 by wbrum.org 22 views

Introduction

When working with blockchain-based applications, errors can occur due to various reasons such as misconfigured channels, incorrect orderer endpoints, or access control issues. In this article, we will focus on resolving the error "error getting channel (manstr) orderer endpoint: error bad proposal response 500: access denied for [GetChannelConfig][manstr]: Failed to get policy manager for channel [manstr]" that occurs when invoking a chaincode on a Fabric network.

Understanding the Error

The error message indicates that there is an issue with accessing the policy manager for the specified channel, "manstr". This could be due to a variety of reasons such as:

Incorrect Channel Configuration: The channel configuration might be misconfigured, leading to access control issues.
Orderer Endpoint Issues: The orderer endpoint might be incorrect or not properly configured.
Access Control Issues: The policy manager might not be properly configured, leading to access denied errors.

Troubleshooting Steps

To resolve the error, follow these troubleshooting steps:

Step 1: Verify Channel Configuration

Verify that the channel configuration is correct and properly set up. Check the channel configuration file to ensure that the policy manager is correctly configured.

Step 2: Check Orderer Endpoint

Verify that the orderer endpoint is correct and properly configured. Check the orderer configuration file to ensure that the endpoint is correctly set.

Step 3: Review Access Control

Review the access control settings for the channel to ensure that the policy manager is correctly configured. Check the policy manager configuration file to ensure that the necessary permissions are granted.

Step 4: Check Chaincode Configuration

Verify that the chaincode configuration is correct and properly set up. Check the chaincode configuration file to ensure that the necessary permissions are granted.

Step 5: Check Fabric Version

Verify that the Fabric version is up-to-date. Check the Fabric version to ensure that it is compatible with the chaincode and the network configuration.

Step 6: Check Network Configuration

Verify that the network configuration is correct and properly set up. Check the network configuration file to ensure that the necessary permissions are granted.

Solutions

Based on the troubleshooting steps, the following solutions can be applied:

Solution 1: Update Channel Configuration

Update the channel configuration file to ensure that the policy manager is correctly configured.

Solution 2: Update Orderer Endpoint

Update the orderer endpoint to ensure that it is correctly configured.

Solution 3: Update Access Control

Update the access control settings for the channel to ensure that the policy manager is correctly configured.

Solution 4: Update Chaincode Configuration

Update the chaincode configuration file to ensure that the necessary permissions are granted.

Solution 5: Update Fabric Version

Update the Fabric version to ensure that it is compatible with the chaincode and the network configuration.

Solution 6: Update Network Configuration

Update the network configuration file to ensure that the necessary permissions are granted.

Conclusion

In conclusion, the error "error getting channel (manstr) orderer endpoint: error bad proposal response 500: access denied for [GetChannelConfig][manstr]: Failed to get policy manager for channel [manstr]" can be resolved by following the troubleshooting steps and applying the necessary solutions. By verifying the channel configuration, orderer endpoint, access control, chaincode configuration, Fabric version, and network configuration, you can resolve the error and ensure that your chaincode is properly invoked.

Additional Information

For additional information on resolving this error, refer to the following resources:

Example Use Case

Here is an example use case of invoking a chaincode on a Fabric network:

sudo fablo chaincode invoke "peer0.manua.com" "manstr" "mantstr" '{"Args":["put","block001","{\"medicine\":[],\"transportcode\":\"T001\",\"transportName\":\"Express\",\"timestamp\":\"2025-03-06T10:00:00Z\",\"transportDest\":\"Warehouse A\"}"]}'

Q: What is the error "error getting channel (manstr) orderer endpoint: error bad proposal response 500: access denied for [GetChannelConfig][manstr]: Failed to get policy manager for channel [manstr]"?

A: The error "error getting channel (manstr) orderer endpoint: error bad proposal response 500: access denied for [GetChannelConfig][manstr]: Failed to get policy manager for channel [manstr]" occurs when the chaincode is unable to access the policy manager for the specified channel, "manstr". This could be due to a variety of reasons such as incorrect channel configuration, orderer endpoint issues, or access control issues.

Q: What are the possible causes of this error?

A: The possible causes of this error include:

Incorrect Channel Configuration: The channel configuration might be misconfigured, leading to access control issues.
Orderer Endpoint Issues: The orderer endpoint might be incorrect or not properly configured.
Access Control Issues: The policy manager might not be properly configured, leading to access denied errors.

Q: How can I troubleshoot this error?

A: To troubleshoot this error, follow these steps:

Verify Channel Configuration: Verify that the channel configuration is correct and properly set up.
Check Orderer Endpoint: Verify that the orderer endpoint is correct and properly configured.
Review Access Control: Review the access control settings for the channel to ensure that the policy manager is correctly configured.
Check Chaincode Configuration: Verify that the chaincode configuration is correct and properly set up.
Check Fabric Version: Verify that the Fabric version is up-to-date.
Check Network Configuration: Verify that the network configuration is correct and properly set up.

Q: What are the solutions to this error?

A: The solutions to this error include:

Update Channel Configuration: Update the channel configuration file to ensure that the policy manager is correctly configured.
Update Orderer Endpoint: Update the orderer endpoint to ensure that it is correctly configured.
Update Access Control: Update the access control settings for the channel to ensure that the policy manager is correctly configured.
Update Chaincode Configuration: Update the chaincode configuration file to ensure that the necessary permissions are granted.
Update Fabric Version: Update the Fabric version to ensure that it is compatible with the chaincode and the network configuration.
Update Network Configuration: Update the network configuration file to ensure that the necessary permissions are granted.

Q: How can I invoke a chaincode on a Fabric network?

A: To invoke a chaincode on a Fabric network, use the following command:

sudo fablo chaincode invoke "peer0.manua.com" "manstr" "mantstr" '{"Args":["put","block001","{\"medicine\":[],\"transportcode\":\"T001\",\"transportName\":\"Express\",\"timestamp\":\"2025-03-06T10:00:00Z\",\"transportDest\":\"Warehouse A\"}"]}'

This command invokes the chaincode on the "manstr" channel with the specified arguments. However, if the error "error getting channel (manstr) orderer endpoint: error bad proposal response 500: access denied for [GetChannelConfig][manstr]: Failed to get policy manager for channel [manstr]" occurs, follow the troubleshooting steps and apply the necessary solutions to resolve the error.

Q: What are the resources for resolving this error?

A: The resources for resolving this error include:

Q: What is the example use case of invoking a chaincode on a Fabric network?

A: The example use case of invoking a chaincode on a Fabric network is as follows:

sudo fablo chaincode invoke "peer0.manua.com" "manstr" "mantstr" '{"Args":["put","block001","{\"medicine\":[],\"transportcode\":\"T001\",\"transportName\":\"Express\",\"timestamp\":\"2025-03-06T10:00:00Z\",\"transportDest\":\"Warehouse A\"}"]}'