我正在使用 PDI 4.4.0。在 Cassandra 输入步骤中，我无法从 cassandra 读取数据。以下是我的堆栈跟踪。
rg.apache.thrift.transport.TTransportException: Read a negative frame size (-2113929216)!
at org.apache.thrift.transport.TFramedTransport.readFrame(TFramedTransport.java:133)
at org.apache.thrift.transport.TFramedTransport.read(TFramedTransport.java:101)
at org.apache.thrift.transport.TTransport.readAll(TTransport.java:84)
at org.apache.thrift.protocol.TBinaryProtocol.readAll(TBinaryProtocol.java:378)
at org.apache.thrift.protocol.TBinaryProtocol.readI32(TBinaryProtocol.java:297)
at org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:204)
at org.apache.cassandra.thrift.Cassandra$Client.recv_set_keyspace(Cassandra.java:471)
at org.apache.cassandra.thrift.Cassandra$Client.set_keyspace(Cassandra.java:456)
at org.pentaho.cassandra.CassandraConnection.setKeyspace(CassandraConnection.java:154)
at org.pentaho.di.trans.steps.cassandrainput.CassandraInputDialog$10.widgetSelected(CassandraInputDialog.java:459)
at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)
at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)
at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
at org.pentaho.di.trans.steps.cassandrainput.CassandraInputDialog.open(CassandraInputDialog.java:632)
at org.pentaho.di.ui.spoon.delegates.SpoonStepsDelegate.editStep(SpoonStepsDelegate.java:136)
at org.pentaho.di.ui.spoon.Spoon.editStep(Spoon.java:7835)
at org.pentaho.di.ui.spoon.trans.TransGraph.editStep(TransGraph.java:2749)
at org.pentaho.di.ui.spoon.trans.TransGraph.mouseDoubleClick(TransGraph.java:705)
at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)
at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)
at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
at org.pentaho.di.ui.spoon.Spoon.readAndDispatch(Spoon.java:1221)
at org.pentaho.di.ui.spoon.Spoon.waitForDispose(Spoon.java:7044)
at org.pentaho.di.ui.spoon.Spoon.start(Spoon.java:8304)
at org.pentaho.di.ui.spoon.Spoon.main(Spoon.java:580)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.pentaho.commons.launcher.Launcher.main(Launcher.java:134)
我也无法使用显示模式按钮读取数据。对于 localhost Cassandra，我尝试更改 `thrift_framed_transport_size_in_mb: 16。初始值为 2。是否需要在 PDI 中进行任何配置？请帮忙。