HBaseAdmin.disableTable/enableTable aren't synchronous
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Key: HADOOP-2292
URL: https://issues.apache.org/jira/browse/HADOOP-2292
Project: Hadoop
Issue Type: Bug
Components: contrib/hbase
Affects Versions: 0.15.0
Reporter: Michael Bieniosek
I'm trying to programmatically add a column family to a table.
I have code that looks like:
<code>
admin.disableTable(table);
try {
admin.addColumn(table, new HColumnDescriptor(columnName));
} finally {
admin.enableTable(table);
}
HTable ht = new HTable(config, table);
<code>
Two things sometimes go wrong here:
1. addColumn fails because the table is not disabled
2. new HTable() fails because the table is not enabled
I suspect that the enableTable/disableTable calls are not synchronous, ie. they
return before they are finished. I can work around this problem by inserting
Thread.sleeps after the enableTable and disableTable calls.
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