[PLC4X-345] Read coil request throws java.lang.ArrayIndexOutOfBoundsException: Index 1 out of bounds for length 1

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 0.10.0
• Component/s: Driver-Modbus, PLC4J

Environment

Windows 10,
openjdk version "11.0.12" 2021-07-20

org.apache.plc4x:plc4j-driver-modbus:0.10.0-SNAPSHOT

(https://repository.apache.org/content/repositories/snapshots/org/apache/plc4x/plc4j-driver-modbus/0.10.0-SNAPSHOT/plc4j-driver-modbus-0.10.0-20220603.220457-1.jar)

Language

JAVA

• Assignee: Unassigned
• Reporter: Mohammaduvez Payawala
• Created: 04/Jun/22 06:41
• Updated: 09/Nov/22 10:22

Description

Run hello-world-plc4x java example with cli options:

--field-addresses 02084 

Throws exception:

io.netty.handler.codec.DecoderException: java.lang.ArrayIndexOutOfBoundsException: Index 1 out of bounds for length 1
    at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:98)
    at io.netty.handler.codec.MessageToMessageCodec.channelRead(MessageToMessageCodec.java:111)
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
    at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:327)
    at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:299)
    at io.netty.handler.codec.ByteToMessageCodec.channelRead(ByteToMessageCodec.java:103)
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
    at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
    at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
    at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166)
    at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:722)
    at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658)
    at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584)
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496)
    at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:995)
    at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
    at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
    at java.base/java.lang.Thread.run(Thread.java:829)
Caused by: java.lang.ArrayIndexOutOfBoundsException: Index 1 out of bounds for length 1
    at com.github.jinahya.bit.io.ArrayByteInput.read(ArrayByteInput.java:106)
    at com.github.jinahya.bit.io.DefaultBitInput.read(DefaultBitInput.java:57)
    at com.github.jinahya.bit.io.AbstractBitInput.unsigned8(AbstractBitInput.java:63)
    at com.github.jinahya.bit.io.AbstractBitInput.unsigned16(AbstractBitInput.java:92)
    at com.github.jinahya.bit.io.AbstractBitInput.readInt(AbstractBitInput.java:135)
    at org.apache.plc4x.java.spi.generation.ReadBufferByteBased.readUnsignedInt(ReadBufferByteBased.java:174)
    at org.apache.plc4x.java.modbus.readwrite.DataItem.staticParse(DataItem.java:51)
    at org.apache.plc4x.java.modbus.base.protocol.ModbusProtocolLogic.readBooleanList(ModbusProtocolLogic.java:328)
    at org.apache.plc4x.java.modbus.base.protocol.ModbusProtocolLogic.toPlcValue(ModbusProtocolLogic.java:232)
    at org.apache.plc4x.java.modbus.tcp.protocol.ModbusTcpProtocolLogic.lambda$read$2(ModbusTcpProtocolLogic.java:104)
    at org.apache.plc4x.java.spi.Plc4xNettyWrapper.decode(Plc4xNettyWrapper.java:175)
    at io.netty.handler.codec.MessageToMessageCodec$2.decode(MessageToMessageCodec.java:81)
    at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:88)
    ... 23 common frames omitted 

It is working fine on release 0.9.1