Fui iniciar normalmente o emissor de NF-e (disponibilizado pela SEFAZ), o Java abriu porém após carregar apareceu a seguinte mensagem: "Não é possível iniciar o aplicativo". Instalei novamente o emissor e o Java 6, mas nada adiantou. Com essas ações normalmente consigo contornar algumas falhas, mas hoje tentei e continuo na mesma. Segue detalhes da mensagem:
<jnlp spec="6.0+" codebase="
http://www.emissornfe.fazenda.sp.gov.br/v2/aplicativo/" href="emissorNFe.jnlp">
<information>
<title>Emissor de Nota Fiscal Eletrônica (NF-e) 2.0</title>
<vendor>Prodesp</vendor>
<homepage href="null"/>
<description>Emissor de Nota Fiscal Eletrônica (NF-e) 2.0</description>
<description kind="short">Emissor NFe 2.0</description>
<icon href="logo_nfe.jpg"/>
<icon href="logo_nfe.jpg" kind="splash"/>
<shortcut online="true">
<desktop/>
<menu submenu="Programas Secretaria da Fazenda"/>
</shortcut>
<offline-allowed/>
</information>
<security>
<all-permissions/>
</security>
<update check="timeout" policy="prompt-update"/>
<resources os="Windows" arch="x86" download="eager">
<nativelib href="DSGEProvider.jar"/>
</resources>
<resources>
<j2se href="
http://java.sun.com/products/autodl/j2se" java-vm-args="-Xmx256M -Xss4M" version="1.6.0+"/>
<jar href="DSENView2.jar" download="eager" main="true"/>
<jar href="lib/tinylaf.jar" download="eager" main="false"/>
<jar href="lib/tinycp.jar" download="eager" main="false"/>
<jar href="DSGEView.jar" download="eager" main="false" />
<jar href="DSGECommon.jar" download="eager" main="false" />
<jar href="DSGEModel.jar" download="eager" main="false" />
<jar href="DSGEUtil.jar" download="eager" main="false" />
<jar href="DSGEWebService.jar" download="eager" main="false" />
<jar href="DSGECertif.jar" download="eager" main="false"/>
<jar href="DSGEReport.jar" download="eager" main="false"/>
<jar href="DSGEBrazilUtils.jar" download="eager" main="false"/>
<jar href="DSGEProvider.jar" download="eager" main="false"/>
<jar href="DSENCommon2.jar" download="eager" main="false"/>
<jar href="DSENHelp2.jar" download="eager" main="false"/>
<jar href="DSENModel2.jar" download="eager" main="false"/>
<jar href="DSENReport2.jar" download="eager" main="false"/>
<jar href="DSENUtil2.jar" download="eager" main="false"/>
<jar href="DSENWebService2.jar" download="eager" main="false"/>
<jar href="lib/nfe_v2.00.jar" download="eager" main="false"/>
<jar href="lib/dpec_v1.01.jar" download="eager" main="false"/>
<jar href="lib/hibernate-annotations.jar" download="eager" main="false"/>
<jar href="lib/hibernate-commons-annotations.jar" download="eager" main="false"/>
<jar href="lib/hibernate-entitymanager.jar" download="eager" main="false"/>
<jar href="lib/hibernate-validator.jar" download="eager" main="false"/>
<jar href="lib/hibernate3.jar" download="eager" main="false"/>
<jar href="lib/derby.jar" download="eager" main="false"/>
<jar href="lib/derbyclient.jar" download="eager" main="false"/>
<jar href="lib/derbynet.jar" download="eager" main="false"/>
<jar href="lib/ejb3-persistence.jar" download="eager" main="false"/>
<jar href="lib/jta.jar" download="eager" main="false"/>
<jar href="lib/jasperreports-1.3.3.jar" download="eager" main="false"/>
<jar href="lib/itext-1.02b.jar" download="eager" main="false"/>
<jar href="lib/barbecue-1.1.jar" download="eager" main="false"/>
<jar href="lib/jaxrpc.jar" download="eager" main="false"/>
<jar href="lib/javassist.jar" download="eager" main="false"/>
<jar href="lib/jboss-archive-browsing.jar" download="eager" main="false"/>
<jar href="lib/jhall.jar" download="eager" main="false"/>
<jar href="lib/log4j-1.2.11.jar" download="eager" main="false"/>
<jar href="lib/persistence-xbean.jar" download="eager" main="false"/>
<jar href="lib/poi-2.0-final-20040126.jar" download="eager" main="false"/>
<jar href="lib/wsdl4j-1.5.1.jar" download="eager" main="false"/>
<jar href="lib/xbean.jar" download="eager" main="false"/>
<jar href="lib/asm.jar" download="eager" main="false"/>
<jar href="lib/antlr-2.7.6.jar" download="eager" main="false"/>
<jar href="lib/axis.jar" download="eager" main="false"/>
<jar href="lib/cglib-2.1.3.jar" download="eager" main="false"/>
<jar href="lib/commons-beanutils.jar" download="eager" main="false"/>
<jar href="lib/commons-codec-1.3.jar" download="eager" main="false"/>
<jar href="lib/commons-collections-3.1.jar" download="eager" main="false"/>
<jar href="lib/commons-digester-1.7.jar" download="eager" main="false"/>
<jar href="lib/commons-discovery-0.2.jar" download="eager" main="false"/>
<jar href="lib/commons-httpclient-3.1-rc1.jar" download="eager" main="false"/>
<jar href="lib/commons-logging.jar" download="eager" main="false"/>
<jar href="lib/dom4j-1.6.1.jar" download="eager" main="false"/>
<jar href="lib/jdc.jar" download="eager" main="false"/>
<jar href="lib/sistema_v1.02b.jar" download="eager" main="false"/>
<property name="jnlp.ambiente" value="producao"/>
<property name="sun.security.ssl.allowUnsafeRenegotiation" value="true"/>
</resources>
<application-desc main-class="br.gov.sp.fazenda.dsen.view.DSENDesktop"/>
</jnlp>
Agradeço desde já a quem puder ajudar de alguma forma.