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Posted to issues@camel.apache.org by "Raymond (Jira)" <ji...@apache.org> on 2024/05/24 14:54:00 UTC
[jira] [Created] (CAMEL-20802) Velocity shows error when using ${headers}
Raymond created CAMEL-20802:
-------------------------------
Summary: Velocity shows error when using ${headers}
Key: CAMEL-20802
URL: https://issues.apache.org/jira/browse/CAMEL-20802
Project: Camel
Issue Type: Bug
Components: camel-velocity
Affects Versions: 4.6.0
Reporter: Raymond
In Camel 3 (3.20.8) I have the following route:
{code:java}
<route id="myRoute">
<from uri="direct:in"/>
<setHeader headerName="CamelVelocityTemplate">
<simple>${headers}</simple>
</setHeader>
<to uri="velocity:generate"/>
<to uri="log:foo//?skipBodyLineSeparator=false&multiline=true&showHeaders=false&showBody=true&showBodyType=true&showFiles=true&showException=false&showStackTrace=false&showCaughtException=false"/>
</route> {code}
Then I get an output like this:
{code:java}
{Accept=text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7, Accept-Encoding=gzip, deflate, br, zstd, Accept-Language=nl-NL,nl;q=0.9,en-US;q=0.8,en;q=0.7, breadcrumbId=7FE304808A5EF7B-0000000000008538, CamelServletContextPath=/regressiontests/Velocity, CamelVelocityTemplate=(this Map), ComponentInitTime=1716561470224, Connection=close, Cookie=_ga=GA1.1.1085399545.1665049218; _ga_J0TKN8HXSY=GS1.1.1715979059.148.0.1715979059.0.0.0; nPT0%3D--35c503a9ecbf1d3922b78a7289ee8eb8f80e1d36, Host=assimbly-test:9001, sec-ch-ua="Google Chrome";v="125", "Chromium";v="125", "Not.A/Brand";v="24", sec-ch-ua-mobile=?0, sec-ch-ua-platform="Windows", Sec-Fetch-Dest=document, Sec-Fetch-Mode=navigate, Sec-Fetch-Site=none, Sec-Fetch-User=?1, Upgrade-Insecure-Requests=1, User-Agent=Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36} {code}
However when running the route with Camel 4 (using 4.6.0 on JDK21) I get the following error:
{code:java}
java.lang.StackOverflowError: null
at java.base/java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:806)
at java.base/java.lang.StringBuffer.append(StringBuffer.java:425)
at java.base/java.io.StringWriter.write(StringWriter.java:79)
at org.apache.camel.util.json.Jsoner.serialize(Jsoner.java:963)
at org.apache.camel.util.json.Jsoner.serialize(Jsoner.java:1004)
at org.apache.camel.util.json.Jsoner.serialize(Jsoner.java:1006) {code}
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