[ 
https://issues.apache.org/jira/browse/CASSANDRA-21540?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Valery Baranov updated CASSANDRA-21540:
---------------------------------------
    Description: 
With enabled TDE:
{code:java}
transparent_data_encryption_options:
  enabled: true {code}
Cassandra failed to start:
{code:java}
Exception (java.lang.AssertionError) encountered during startup: null
java.lang.AssertionError
        at 
org.apache.cassandra.db.commitlog.AbstractCommitLogSegmentManager.createSegmentBuilder(AbstractCommitLogSegmentManager.java:127)
        at 
org.apache.cassandra.db.commitlog.AbstractCommitLogSegmentManager.start(AbstractCommitLogSegmentManager.java:156)
        at org.apache.cassandra.db.commitlog.CommitLog.start(CommitLog.java:148)
        at 
org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:273)
        at 
org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:839)
        at 
org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:993)
ERROR [main] 2026-07-29T10:02:55,512 CassandraDaemon.java:1020 - Exception 
encountered during startup
java.lang.AssertionError: null
        at 
org.apache.cassandra.db.commitlog.AbstractCommitLogSegmentManager.createSegmentBuilder(AbstractCommitLogSegmentManager.java:127)
        at 
org.apache.cassandra.db.commitlog.AbstractCommitLogSegmentManager.start(AbstractCommitLogSegmentManager.java:156)
        at org.apache.cassandra.db.commitlog.CommitLog.start(CommitLog.java:148)
        at 
org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:273)
        at 
org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:839)
        at 
org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:993) 
{code}
 

Failed in not valid detect commitlog_disk_access_mode in createSegmentBuilder:
{code:java}
    private CommitLogSegment.Builder 
createSegmentBuilder(CommitLog.Configuration config)
    {
        if (config.useEncryption())
        {
            assert config.diskAccessMode == DiskAccessMode.standard; {code}

Problem is applyEncryptionContext() loaded after resolving 
commitlog_disk_access_mode in applySimpleConfig() -> 
initializeCommitLogDiskAccessMode() -> resolveCommitLogWriteDiskAccessMode(), 
when encryptionContext is not loaded (null).



 

  was:
With enabled TDE:
{code:java}
transparent_data_encryption_options:
  enabled: true {code}
Cassandra failed to start:
{code:java}
Exception (java.lang.AssertionError) encountered during startup: null
java.lang.AssertionError
        at 
org.apache.cassandra.db.commitlog.AbstractCommitLogSegmentManager.createSegmentBuilder(AbstractCommitLogSegmentManager.java:127)
        at 
org.apache.cassandra.db.commitlog.AbstractCommitLogSegmentManager.start(AbstractCommitLogSegmentManager.java:156)
        at org.apache.cassandra.db.commitlog.CommitLog.start(CommitLog.java:148)
        at 
org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:273)
        at 
org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:839)
        at 
org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:993)
ERROR [main] 2026-07-29T10:02:55,512 CassandraDaemon.java:1020 - Exception 
encountered during startup
java.lang.AssertionError: null
        at 
org.apache.cassandra.db.commitlog.AbstractCommitLogSegmentManager.createSegmentBuilder(AbstractCommitLogSegmentManager.java:127)
        at 
org.apache.cassandra.db.commitlog.AbstractCommitLogSegmentManager.start(AbstractCommitLogSegmentManager.java:156)
        at org.apache.cassandra.db.commitlog.CommitLog.start(CommitLog.java:148)
        at 
org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:273)
        at 
org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:839)
        at 
org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:993) 
{code}
 


> Startup fails when TDE is enabled
> ---------------------------------
>
>                 Key: CASSANDRA-21540
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-21540
>             Project: Apache Cassandra
>          Issue Type: Bug
>            Reporter: Valery Baranov
>            Assignee: Valery Baranov
>            Priority: Normal
>
> With enabled TDE:
> {code:java}
> transparent_data_encryption_options:
>   enabled: true {code}
> Cassandra failed to start:
> {code:java}
> Exception (java.lang.AssertionError) encountered during startup: null
> java.lang.AssertionError
>         at 
> org.apache.cassandra.db.commitlog.AbstractCommitLogSegmentManager.createSegmentBuilder(AbstractCommitLogSegmentManager.java:127)
>         at 
> org.apache.cassandra.db.commitlog.AbstractCommitLogSegmentManager.start(AbstractCommitLogSegmentManager.java:156)
>         at 
> org.apache.cassandra.db.commitlog.CommitLog.start(CommitLog.java:148)
>         at 
> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:273)
>         at 
> org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:839)
>         at 
> org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:993)
> ERROR [main] 2026-07-29T10:02:55,512 CassandraDaemon.java:1020 - Exception 
> encountered during startup
> java.lang.AssertionError: null
>         at 
> org.apache.cassandra.db.commitlog.AbstractCommitLogSegmentManager.createSegmentBuilder(AbstractCommitLogSegmentManager.java:127)
>         at 
> org.apache.cassandra.db.commitlog.AbstractCommitLogSegmentManager.start(AbstractCommitLogSegmentManager.java:156)
>         at 
> org.apache.cassandra.db.commitlog.CommitLog.start(CommitLog.java:148)
>         at 
> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:273)
>         at 
> org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:839)
>         at 
> org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:993) 
> {code}
>  
> Failed in not valid detect commitlog_disk_access_mode in createSegmentBuilder:
> {code:java}
>     private CommitLogSegment.Builder 
> createSegmentBuilder(CommitLog.Configuration config)
>     {
>         if (config.useEncryption())
>         {
>             assert config.diskAccessMode == DiskAccessMode.standard; {code}
> Problem is applyEncryptionContext() loaded after resolving 
> commitlog_disk_access_mode in applySimpleConfig() -> 
> initializeCommitLogDiskAccessMode() -> resolveCommitLogWriteDiskAccessMode(), 
> when encryptionContext is not loaded (null).
>  



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