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Top 10 Knowledge Base Articles for April 2023: Troubleshooting Tips for Java, LDAP, TAS for VMs, and more!

In this blog post we’ve compiled a list of frequently encountered errors and their solutions to help you get back on track! Here are the most popular knowledge base articles in April. The topics covered in the articles include generating a self-signed SSL certificate using the Java keytool command, resolving LDAP user login errors, troubleshooting out-of-memory errors in Java applications, resolving “Exit status 32” errors when mounting a volume to a container in TAS for VMs, configuring access log entries for Spring Boot applications, fixing installation errors for the Cloud Foundry Command Line Interface (cf CLI) on M1 MacBooks, resolving S3 bucket creation errors in Cloud Service Broker for AWS, checking SSL/TLS certificate details for TAS for VMs installations, resolving “too many transfer encodings” errors when running applications on Tanzu Application Service for VMs, and troubleshooting app health check failures in Tanzu Application Service for VMs. 

  1. Generating a self-signed SSL certificate using the Java keytool command 

This VMware Tanzu knowledge base article provides a step-by-step guide to generating a self-signed SSL certificate using the Java keytool command. It includes information on how to create and import the certificate into a Java application, as well as common errors that may occur during the process. 

  1. LDAP User Login Error, “LDAP: Error Code 49 – Invalid Credentials” 

This VMware Tanzu knowledge article discusses the LDAP Error Code 49 – Invalid Credentials and provides solutions to resolve the issue. It explains what the error means and provides examples of how to troubleshoot the issue using LDAP error codes and messages. 

  1. Java Application gets Out of Memory exit code 137 due to MALLOC_ARENA_MAX 

This VMware Tanzu knowledge base article explains how to resolve the “Out of Memory” error in Java applications caused by the MALLOC_ARENA_MAX environment variable. It includes information on how to adjust the value of the environment variable to prevent the error from occurring. 

  1. Exit status 32 when mounting a volume to a container in TAS for VMs 

This VMware Tanzu knowledge article discusses the “Exit status 32” error that occurs when trying to mount a volume to a container in TAS for VMs. It provides possible causes of the error and steps to resolve it, such as checking for proper permissions, troubleshooting network issues, and adjusting the deployment configuration. 

  1. How to configure access log entries for a Spring Boot App 

This VMware Tanzu knowledge base article provides a guide to configuring access log entries for a Spring Boot application. It includes instructions on how to configure logging in the application.properties file, as well as how to customize the logging output and format. 

  1. “The x86_64 architecture is required…unsatisfied requirement failed this build” error when installing cf CLI on an M1 MacBook 

This VMware Tanzu knowledge article provides a solution to the “unsatisfied requirement failed this build” error that occurs when trying to install the Cloud Foundry Command Line Interface (cf CLI) on an M1 MacBook. It explains the cause of the error and provides steps to resolve it, such as installing the Rosetta emulator and re-installing the cf CLI. 

  1. Cloud Service Broker for AWS: Creating S3 buckets fails with “AccessControlListNotSupported: The bucket does not allow ACLs” 

This VMware Tanzu knowledge base article discusses the “AccessControlListNotSupported” error that occurs when trying to create S3 buckets using the Cloud Service Broker for AWS. It provides possible causes of the error and steps to resolve it, such as checking IAM permissions, reviewing the bucket policies, and adjusting the deployment configuration. 

  1. How to Check the Domain and Subject Alt Names Listed on the SSL/TLS Certificate for your TAS for VMs Installation 

This VMware Tanzu knowledge article provides instructions on how to check the domain and subject alternative names (SANs) listed on the SSL/TLS certificate for a TAS for VMs installation. It includes information on how to use OpenSSL to view the certificate details and how to troubleshoot common issues related to certificate mismatches. 

  1. “too many transfer encodings” 502 chunked response errors when running applications on Tanzu Application Service for VMs 

This VMware Tanzu knowledge base article discusses the “too many transfer encodings” error that occurs when running applications on Tanzu Application Service for VMs. It provides information on the possible causes of the error and steps to resolve it, such as adjusting the deployment configuration, modifying the application code, and troubleshooting network issues. 

  1. How to troubleshoot app health check failure problem 

This VMware Tanzu knowledge article provides guidance on how to troubleshoot issues with application health checks in Tanzu Application Service for VMs. It includes information on how to identify the root cause of the failure, such as checking the logs, reviewing the deployment configuration, and verifying the health.

Our curated solutions are available 24/7 through various Tanzu resources. Make sure to also check them out: 

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