Known Issues

Ambari 2.6 has the following known issues, scheduled for resolution in a future release. Also, refer to the Ambari Troubleshooting Guide for additional information.

Table 1.3. Ambari 2.6 Known Issues

Apache Jira	HWX Jira	Problem	Solution
AMBARI-24536	BUG-109839	When SPNEGO is enabled (`ambari-server setup-kerberos`), the SSO (`ambari-server setup-sso`) redirect no longer works.	No known workaround. Do not enable both kerberos and SSO using ambari-server setup.
AMBARI-22469	BUG- 91993	Ambari Sever 2.5.x set up as an Ambari Views Server (standalone server with a second Ambari Server registered as a remote server) fails when upgraded to version 2.6.0. ERROR: Error executing schema upgrade, please check the server logs. ERROR: Error output from schema upgrade command: ERROR: Exception in thread "main" org.apache.ambari.server.AmbariException: Unable to find any CURRENT repositories. at org.apache.ambari.server.upgrade.SchemaUpgradeHelper.executeUpgrade(SchemaUpgradeHelper.java:203) at org.apache.ambari.server.upgrade.SchemaUpgradeHelper.main(SchemaUpgradeHelper.java:418) Caused by: org.apache.ambari.server.AmbariException: Unable to find any CURRENT repositories. at org.apache.ambari.server.upgrade.UpgradeCatalog260.getCurrentVersionID(UpgradeCatalog260.java:510) at org.apache.ambari.server.upgrade.UpgradeCatalog260.executeDDLUpdates(UpgradeCatalog260.java:194) at org.apache.ambari.server.upgrade.AbstractUpgradeCatalog.upgradeSchema(AbstractUpgradeCatalog.java:923) at org.apache.ambari.server.upgrade.SchemaUpgradeHelper.executeUpgrade(SchemaUpgradeHelper.java:200) ... 1 more ERROR: Ambari server upgrade failed. Please look at /var/log/ambari-server/ambari-server.log, for more details. ERROR: Exiting with exit code 11. REASON: Schema upgrade failed.	No known workaround. Please contact Hortonworks Customer Support for assistance.
AMBARI-22323	BUG-90852	If IOP Migration documentation is not followed closely, the "Remove IOP Select" button may not be available in the Ambari UI.	If that has happened to you, you must run the following command on all hosts in the cluster: rpm -e --nodeps iop-select

Apache Jira

HWX Jira

Problem

Solution

AMBARI-24536

BUG-109839

When SPNEGO is enabled (`ambari-server setup-kerberos`), the SSO (`ambari-server setup-sso`) redirect no longer works.

No known workaround. Do not enable both kerberos and SSO using ambari-server setup.

AMBARI-22469

BUG- 91993

Ambari Sever 2.5.x set up as an Ambari Views Server (standalone server with a second Ambari Server registered as a remote server) fails when upgraded to version 2.6.0.

ERROR: Error executing schema upgrade, please check the server logs.
ERROR: Error output from schema upgrade command:
ERROR: Exception in thread "main" org.apache.ambari.server.AmbariException: Unable to find any CURRENT repositories.
	at org.apache.ambari.server.upgrade.SchemaUpgradeHelper.executeUpgrade(SchemaUpgradeHelper.java:203)
	at org.apache.ambari.server.upgrade.SchemaUpgradeHelper.main(SchemaUpgradeHelper.java:418)
Caused by: org.apache.ambari.server.AmbariException: Unable to find any CURRENT repositories.
	at org.apache.ambari.server.upgrade.UpgradeCatalog260.getCurrentVersionID(UpgradeCatalog260.java:510)
	at org.apache.ambari.server.upgrade.UpgradeCatalog260.executeDDLUpdates(UpgradeCatalog260.java:194)
	at org.apache.ambari.server.upgrade.AbstractUpgradeCatalog.upgradeSchema(AbstractUpgradeCatalog.java:923)
	at org.apache.ambari.server.upgrade.SchemaUpgradeHelper.executeUpgrade(SchemaUpgradeHelper.java:200)
	... 1 more

ERROR: Ambari server upgrade failed. Please look at /var/log/ambari-server/ambari-server.log, for more details.
ERROR: Exiting with exit code 11.
REASON: Schema upgrade failed.

No known workaround. Please contact Hortonworks Customer Support for assistance.

AMBARI-22323

BUG-90852

If IOP Migration documentation is not followed closely, the "Remove IOP Select" button may not be available in the Ambari UI.

If that has happened to you, you must run the following command on all hosts in the cluster:

rpm -e --nodeps iop-select

​Known Issues

Known Issues