HTTP-503 While Accessing The Static Images Or Restful Service From The Apex Application Using ORDS (Doc ID 2574506.1)

Last updated on SEPTEMBER 15, 2022

Applies to:

Symptoms

While working with the Apex application and when accessing the static images or the Restful Services, the request is getting failed with the following error.

HTTP-503.

The logs contains the following errors.

ServiceUnavailableException [statusCode=503, reasons=[The database user for the connection pool named |apex|rt|, is not authorized to proxy to the schema named <SCHEMANAME>]]

Also the application server logs contains the below exceptions.

<oracle.dbtools.url.mapping.TargetNotAvailableException: The database user for the connection pool named |apex|rt|, is not authorized to proxy to the schema named APEX_PUBLIC_USER
ServiceUnavailableException [statusCode=503, reasons=[The database user for the connection pool named |apex|rt|, is not authorized to proxy to the schema named APEX_PUBLIC_USER]]
at oracle.dbtools.url.mapping.URLMappingBase.doFilter(URLMappingBase.java:109)

Caused By: oracle.dbtools.common.jdbc.ConnectionPoolConfigurationException: The database user for the connection pool named |apex|rt|, is not authorized to proxy to the schema named APEX_PUBLIC_USER
at oracle.dbtools.common.jdbc.ConnectionPoolExceptions.from(ConnectionPoolExceptions.java:46)

Caused By: oracle.dbtools.common.ucp.ConnectionLabelingException: Error occurred when attempting to configure url: jdbc:oracle:thin:@//<hostname>:<portno>/<servicename> with labels: {oracle.dbtools.jdbc.label.schema=APEX_PUBLIC_USER}

Caused By: java.lang.NegativeArraySizeException
at oracle.net.ano.CryptoNIONSDataChannel.readDataFromSocketChannel(Unknown Source)

Changes

Cause

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.