Hi KrishnaVamsi,
Regarding the error, you are trying to build java code compiled with jdk11
compiler with a jdk8 compiler, see https://javaalmanac.io/bytecode/versions/ .
Jdk8 is pretty old at this point, your first thought might be to try building
with a newer jdk version. I think you should even consider jdk17 as
jdk11-compiled class files can be compiled/used by a jvm running 17. There are
some caveats there but looks like solr9 has tests running against jdk17
https://github.com/apache/solr/blob/4c439d07ca35e7e80c5406c103e885307f0b64b9/solr/solr-ref-guide/modules/upgrade-notes/pages/major-changes-in-solr-9.adoc#L314:~:text=Solr%209%20requires%20Java%2011%20as%20minimum%20Java%20version%20and%20is%20also%20tested%20with%20Java%2017.
There will be some upgrade pain most likely but IME going from 8->11 is really
not that much easier than 8->17.
Luke
From: dev@solr.apache.org At: 05/16/24 11:25:09 UTC-4:00To: dev@solr.apache.org
Subject: RE: Cant access SolrRequestParsers
Hi Gus Heck,
To give you background, As we came to know that we have vulnerabilities in
org.apache.solr.solr-core dependency(8.11.2 which we are using currently), We
had to upgrade it to 9.6.0. When we upgraded the dependency version and tried
to build our source code, We are getting the below error from one of our source
code classes as SolrRequestParsers class is not accessisible.
FYI, We have both solr-core and solrj dependency in our pom.
Error:
java: cannot access org.apache.solr.servlet.SolrRequestParsers
bad class file:
/C:/Users/10688521/.m2/repository/org/apache/solr/solr-core/9.6.0/solr-core-9.6.
0.jar!/org/apache/solr/servlet/SolrRequestParsers.class
class file has wrong version 55.0, should be 52.0
-----Original Message-----
From: Gus Heck <gus.h...@gmail.com>
Sent: Thursday, May 16, 2024 8:40 PM
To: dev@solr.apache.org
Subject: Re: Cant access SolrRequestParsers
<External Email>
Hi KrishnaVamsi,
Can you tell us a little bit more about how you are using it? You say you are
upgrading a client, but (as indicated by the package name)
org.apache.solr.servlet.SolrRequestParsers is a server side class, so it's not
quite clear why you are getting this from a client. Is this a problem in custom
code that you wrote?
Also the Solr Java client (SolrJ) is in the
https://urldefense.com/v3/__https://search.maven.org/artifact/org.apache.solr/so
lr-solrj/9.6.0/jar__;!!CxwJSw!NpX0h0Lr-jKIBah4-Mrq2erlbksHoadqlJVBRg8AOtjZd9JoTf
wxRRw06ZcR0PhXPbEWdPjrJGY3Lq8-_B8tf-j3BBjJtQ$
package, not solr-core so you may also be importing the wrong package?
-Gus
On Thu, May 16, 2024 at 9:30 AM Mugi, Krishnavamsireddy <
krishnavamsireddy.m...@paramount.com> wrote:
> Hi Team,
>
> We are upgrading our solr-client(org.apache.solr.solr-core) from
> 8.11.2 to 9.6.0, After upgrading the client, we are getting below
> error. Kindly help us on this error.
>
> Error: cannot access org.apache.solr.servlet.SolrRequestParsers
>
> Is there any alternative way to access SolrRequestParsers class in
> 9.6.0 solr client version. Please let us know.
>
> Thanks&Regards
> KrishnaVamsi
>
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