how to execte jdbc IN clause statement

22 04:02:32,011 #0 - timer://timer1 TimerConsumer WARN
warn MarkerIgnoringBase.java
:136 Error processing exchange. Exchange[Message: UPDATE TEST SET
FLAG='Y' WHERE ID IN(:?ids)]. Caused by: [java.sql.SQLSyntaxErrorException -
ORA-01722: invalid number

java.sql.SQLSyntaxErrorException: ORA-01722: invalid number

at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:445)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:396)
at oracle.jdbc.driver.T4C8Oall.processError(T4C8Oall.java:879)
at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:450)

<route>
<from uri="direct:sendUpdate"/>
<setHeader headerName="ids">
<simple>127,128</simple>
</setHeader>

<setBody>
<constant>
UPDATE TEST SET FLAG='Y' WHERE ID IN(:?ids)
</constant>
</setBody>
<to uri="jdbc:dataSource?useHeadersAsParameters=true"/>
<log message="update done on:${headers.ids}- "/>
</route>